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- [41] CD4+FOXP3+ regulatory T cells are abundantly present in inflamed muscle of patients with juvenile dermatomyositisPediatric Rheumatology, 9 (Suppl 1)Yvonne Vercoulen论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalElisabeth F Elst论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalJenny Meerding论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalMaud Plantinga论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalHemlata Varsani论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalChrista van Schieveen论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalMette H Bakker论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalMark Klein论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalWim Spliet论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalR de Weger论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalLucy Wedderburn论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalAnnet van Royen- Kerkhof论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s HospitalBerent J Prakken论文数: 0 引用数: 0 h-index: 0机构: UMC Utrecht,Center for Molecular and Cellular Intervention, Pediatric Immunology, Wilhelmina Children’s Hospital
- [42] Human amylin induces CD4+Foxp3+ regulatory T cells in the protection from autoimmune diabetesImmunologic Research, 2018, 66 : 179 - 186Xiao-xi Zhang论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceYong-chao Qiao论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceWan Li论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceXia Zou论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceYin-ling Chen论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceJian Shen论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceQin-yuan Liao论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceQiu-jin Zhang论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceLan He论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of ExcellenceHai-lu Zhao论文数: 0 引用数: 0 h-index: 0机构: Guilin Medical University,Centre of Diabetic Systems Medicine, Guangxi Key Laboratory of Excellence, and Department of Immunology, Guangxi Area of Excellence
- [43] Antigen-Specificity in the Thymic Development and Peripheral Activity of CD4+FOXP3+ T Regulatory CellsFRONTIERS IN IMMUNOLOGY, 2018, 9Pohar, Jelka论文数: 0 引用数: 0 h-index: 0机构: CNRS, UMR 8253, INSERM, Inst Necker Enfants Malades,U1151, Paris, France CNRS, UMR 8253, INSERM, Inst Necker Enfants Malades,U1151, Paris, FranceSimon, Quentin论文数: 0 引用数: 0 h-index: 0机构: CNRS, UMR 8253, INSERM, Inst Necker Enfants Malades,U1151, Paris, France CNRS, UMR 8253, INSERM, Inst Necker Enfants Malades,U1151, Paris, FranceFillatreau, Simon论文数: 0 引用数: 0 h-index: 0机构: CNRS, UMR 8253, INSERM, Inst Necker Enfants Malades,U1151, Paris, France Univ Paris 05, Sorbonne Paris Cite, Fac Med, Paris, France Hop Necker Enfants Malad, AP HP, Paris, France CNRS, UMR 8253, INSERM, Inst Necker Enfants Malades,U1151, Paris, France
- [44] Synovial and Peripheral Blood CD4+FoxP3+ T Cells in SpondyloarthritisJOURNAL OF RHEUMATOLOGY, 2011, 38 (11) : 2445 - 2451Appel, Heiner论文数: 0 引用数: 0 h-index: 0机构: Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanyWu, Peihua论文数: 0 引用数: 0 h-index: 0机构: Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany Deutsch Rheumaforschungszentrum, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanyScheer, Rebecca论文数: 0 引用数: 0 h-index: 0机构: Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanyKedor, Claudia论文数: 0 引用数: 0 h-index: 0机构: Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanySawitzki, Birgit论文数: 0 引用数: 0 h-index: 0机构: Charite, Inst Med Immunol, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanyThiel, Andreas论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheumaforschungszentrum, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanyRadbruch, Andreas论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheumaforschungszentrum, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanySieper, Joachim论文数: 0 引用数: 0 h-index: 0机构: Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany Deutsch Rheumaforschungszentrum, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, GermanySyrbe, Uta论文数: 0 引用数: 0 h-index: 0机构: Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany Deutsch Rheumaforschungszentrum, Berlin, Germany Charite, Dept Gastroenterol Infectiol & Rheumatol, Berlin, Germany
- [45] Donor-Specific CD8+Foxp3+ T Cells Protect Skin Allografts and Facilitate Induction of Conventional CD4+Foxp3+ Regulatory T CellsAMERICAN JOURNAL OF TRANSPLANTATION, 2012, 12 (09) : 2335 - 2347Lerret, N. M.论文数: 0 引用数: 0 h-index: 0机构: Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USA Northwestern Univ, Comprehens Transplant Ctr, Chicago, IL 60611 USA Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USAHoulihan, J. L.论文数: 0 引用数: 0 h-index: 0机构: Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USA Northwestern Univ, Comprehens Transplant Ctr, Chicago, IL 60611 USA Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USAKheradmand, T.论文数: 0 引用数: 0 h-index: 0机构: Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USA Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USAPothoven, K. L.论文数: 0 引用数: 0 h-index: 0机构: Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USA Northwestern Univ, Dept Allergy & Immunol, Chicago, IL 60611 USA Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USAZhang, Z. J.论文数: 0 引用数: 0 h-index: 0机构: Northwestern Univ, Comprehens Transplant Ctr, Chicago, IL 60611 USA Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USALuo, X.论文数: 0 引用数: 0 h-index: 0机构: Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USA Northwestern Univ, Comprehens Transplant Ctr, Chicago, IL 60611 USA Northwestern Univ, Dept Microbiol Immunol, Feinberg Sch Med, Chicago, IL 60611 USA Northwestern Univ, Dept Med, Div Nephrol & Hypertens, Chicago, IL 60611 USA
- [46] Macrophages overexpressing Aire induce CD4+Foxp3+ T cellsMOLECULAR MEDICINE REPORTS, 2013, 7 (01) : 159 - 165Sun, Jitong论文数: 0 引用数: 0 h-index: 0机构: Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R ChinaFu, Haiying论文数: 0 引用数: 0 h-index: 0机构: Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R ChinaWu, Jing论文数: 0 引用数: 0 h-index: 0机构: Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R ChinaZhu, Wufei论文数: 0 引用数: 0 h-index: 0机构: Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R ChinaLi, Yi论文数: 0 引用数: 0 h-index: 0机构: Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R ChinaYang, Wei论文数: 0 引用数: 0 h-index: 0机构: Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China Jilin Univ, Norman Bethune Coll Med, Dept Immunol, Changchun 130021, Jilin, Peoples R China
- [47] Activation of CD4+Foxp3+ regulatory T cells proceeds normally in the absence of B cells during EAEEUROPEAN JOURNAL OF IMMUNOLOGY, 2012, 42 (05) : 1164 - 1173Hoehlig, Kai论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyShen, Ping论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyLampropoulou, Vicky论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyRoch, Toralf论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyMalissen, Bernard论文数: 0 引用数: 0 h-index: 0机构: Univ Aix Marseille 2, Ctr Immunol Marseille Luminy, Marseille, France Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyO'Connor, Richard论文数: 0 引用数: 0 h-index: 0机构: Univ Edinburgh, Ctr Inflammat Res, Edinburgh, Midlothian, Scotland Queens Med Res Inst, Ctr Multiple Sclerosis Res, Edinburgh, Midlothian, Scotland Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyRies, Stefanie论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyHilgenberg, Ellen论文数: 0 引用数: 0 h-index: 0机构: Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, GermanyAnderton, Stephen M.论文数: 0 引用数: 0 h-index: 0机构: Univ Edinburgh, Ctr Inflammat Res, Edinburgh, Midlothian, Scotland Queens Med Res Inst, Ctr Multiple Sclerosis Res, Edinburgh, Midlothian, Scotland Deutsch Rheuma ForschungsZentrum, Leibniz Inst, Berlin, Germany论文数: 引用数: h-index:机构:
- [48] CD4+FOXP3+ regulatory T cells are abundantly present in inflamed muscle of patients with juvenile dermatomyositisPediatric Rheumatology, 9 (Suppl 1)Yvonne Vercoulen论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyElisabeth F Elst论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyJenny Meerding论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyMaud Plantinga论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyHemlata Varsani论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyChrista van Schieveen论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyMette H Bakker论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyMark Klein论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyWim Spliet论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyR de Weger论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyLucy Wedderburn论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyAnnet van Royen-Kerkhof论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric ImmunologyBerent J Prakken论文数: 0 引用数: 0 h-index: 0机构: Wilhelmina Children’s Hospital,Center for Molecular and Cellular Intervention, Pediatric Immunology
- [49] TNFR2 Is Critical for the Stabilization of the CD4+Foxp3+ Regulatory T Cell Phenotype in the Inflammatory EnvironmentJOURNAL OF IMMUNOLOGY, 2013, 190 (03): : 1076 - 1084Chen, Xin论文数: 0 引用数: 0 h-index: 0机构: NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USA NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USAWu, Xueqiang论文数: 0 引用数: 0 h-index: 0机构: NCI, Lab Mol Immunoregulat, Canc Inflammat Program, Ctr Canc Res, Frederick, MD 21702 USA NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USAZhou, Qiong论文数: 0 引用数: 0 h-index: 0机构: NCI, Lab Mol Immunoregulat, Canc Inflammat Program, Ctr Canc Res, Frederick, MD 21702 USA NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USAHoward, O. M. Zack论文数: 0 引用数: 0 h-index: 0机构: NCI, Lab Mol Immunoregulat, Canc Inflammat Program, Ctr Canc Res, Frederick, MD 21702 USA NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USANetea, Mihai G.论文数: 0 引用数: 0 h-index: 0机构: Radboud Univ Nijmegen, Dept Med, Med Ctr, NL-6500 HB Nijmegen, Netherlands NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USAOppenheim, Joost J.论文数: 0 引用数: 0 h-index: 0机构: NCI, Lab Mol Immunoregulat, Canc Inflammat Program, Ctr Canc Res, Frederick, MD 21702 USA NCI, Basic Sci Program, Sci Applicat Int Corp Frederick, Ft Detrick, MD 21702 USA
- [50] Neuropilin 1 deficiency on CD4+Foxp3+ regulatory T cells impairs mouse melanoma growthJOURNAL OF EXPERIMENTAL MEDICINE, 2012, 209 (11): : 2001 - 2016Hansen, Wiebke论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyHutzler, Marina论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyAbel, Simone论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyAlter, Christina论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyStockmann, Christian论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Physiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyKliche, Stefanie论文数: 0 引用数: 0 h-index: 0机构: Univ Magdeburg, Inst Mol & Clin Immunol, D-39120 Magdeburg, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyAlbert, Juliane论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Dept Diagnost & Intervent Radiol & Neuroradiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanySparwasser, Tim论文数: 0 引用数: 0 h-index: 0机构: TWINCORE, Inst Infect Immunol, D-30625 Hannover, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanySakaguchi, Shimon论文数: 0 引用数: 0 h-index: 0机构: Kyoto Univ, Inst Frontier Med Sci, Dept Expt Pathol, Kyoto 6068507, Japan Osaka Univ, WPI Immunol Frontier Res Ctr, Lab Expt Immunol, Suita, Osaka 5650871, Japan Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyWestendorf, Astrid M.论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany论文数: 引用数: h-index:机构:Buer, Jan论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, GermanyHelfrich, Iris论文数: 0 引用数: 0 h-index: 0机构: Univ Duisburg Essen, Univ Hosp Essen, Dept Dermatol, Skin Canc Unit, D-45122 Essen, Germany Univ Duisburg Essen, Univ Hosp Essen, Inst Med Microbiol, D-45122 Essen, Germany