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- [1] Establishment of transgene-free induced pluripotent stem cells reprogrammed from human stem cells of apical papilla for neural differentiationSTEM CELL RESEARCH & THERAPY, 2012, 3Zou, Xiao-Ying论文数: 0 引用数: 0 h-index: 0机构: Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USA Peking Univ, Sch & Hosp Stomatol, Dept Cariol Endodontol & Operat Dent, Beijing 100081, Peoples R China Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USAYang, Hsiao-Ying论文数: 0 引用数: 0 h-index: 0机构: Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USA Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USAYu, Zongdong论文数: 0 引用数: 0 h-index: 0机构: Univ Tennessee, Ctr Hlth Sci, Coll Dent, Dept Biosci Res, Memphis, TN 38163 USA Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USATan, Xiao-Bing论文数: 0 引用数: 0 h-index: 0机构: Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USA 1st Peoples Hosp Yunnan Prov, Dept Stomatol, Kunming 650032, Yunnan, Peoples R China Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USAYan, Xing论文数: 0 引用数: 0 h-index: 0机构: Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USA Capital Med Univ, Dept Stomatol, Beijing Friendship Hosp, Clin Sch 2, Beijing 100050, Peoples R China Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USAHuang, George T-J论文数: 0 引用数: 0 h-index: 0机构: Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USA Univ Tennessee, Ctr Hlth Sci, Coll Dent, Dept Biosci Res, Memphis, TN 38163 USA Boston Univ, Dept Endodont, Henry M Goldman Sch Dent Med, Boston, MA 02118 USA
- [2] Establishment of Transgene-Free Porcine Induced Pluripotent Stem CellsCURRENT PROTOCOLS, 2024, 4 (05):Conrad, J. Vanessa论文数: 0 引用数: 0 h-index: 0机构: Univ Calgary, Fac Vet Med, Calgary, AB, Canada Univ Calgary, Reprod Biol & Regenerat Med Res Grp, Calgary, AB, Canada Alberta Childrens Prov Gen Hosp, Res Inst, Calgary, AB, Canada Univ Calgary, Fac Vet Med, Calgary, AB, CanadaNeira, Jaime A.论文数: 0 引用数: 0 h-index: 0机构: Univ Calgary, Fac Vet Med, Calgary, AB, Canada Univ Calgary, Reprod Biol & Regenerat Med Res Grp, Calgary, AB, Canada Alberta Childrens Prov Gen Hosp, Res Inst, Calgary, AB, Canada Univ Calgary, Cumming Sch Med, Biochem & Mol Biol Grad Program, Calgary, AB, Canada Univ Calgary, Fac Vet Med, Calgary, AB, CanadaRusteika, Margaret论文数: 0 引用数: 0 h-index: 0机构: Univ Calgary, Fac Vet Med, Calgary, AB, Canada Univ Calgary, Reprod Biol & Regenerat Med Res Grp, Calgary, AB, Canada Alberta Childrens Prov Gen Hosp, Res Inst, Calgary, AB, Canada Univ Calgary, Biomed Engn Grad Program, Calgary, AB, Canada Univ Calgary, Fac Vet Med, Calgary, AB, CanadaMeyer, Susanne论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Santa Barbara, Neurosci Res Inst, Santa Barbara, CA USA Univ Calgary, Fac Vet Med, Calgary, AB, CanadaClegg, Dennis O.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Santa Barbara, Neurosci Res Inst, Santa Barbara, CA USA Univ Calif Santa Barbara, Dept Mol Cellular & Dev Biol, Santa Barbara, CA USA Univ Calgary, Fac Vet Med, Calgary, AB, CanadaChu, Li-Fang论文数: 0 引用数: 0 h-index: 0机构: Univ Calgary, Fac Vet Med, Calgary, AB, Canada Univ Calgary, Reprod Biol & Regenerat Med Res Grp, Calgary, AB, Canada Alberta Childrens Prov Gen Hosp, Res Inst, Calgary, AB, Canada Univ Calgary, Cumming Sch Med, Biochem & Mol Biol Grad Program, Calgary, AB, Canada Univ Calgary, Fac Vet Med, Calgary, AB, Canada
- [3] Transgene-free induced pluripotent dental stem cells for neurogenic differentiationSTEM CELL RESEARCH & THERAPY, 2012, 3Morsczeck, Christian论文数: 0 引用数: 0 h-index: 0机构: Univ Hosp Regensburg, Dept Cranio Maxillofacial Surg, D-93053 Regensburg, Germany Univ Hosp Regensburg, Dept Cranio Maxillofacial Surg, D-93053 Regensburg, Germany
- [4] Transgene-free induced pluripotent dental stem cells for neurogenic differentiationStem Cell Research & Therapy, 3Christian Morsczeck论文数: 0 引用数: 0 h-index: 0机构: University Hospital Regensburg,Department of Cranio
- [5] Melanocytes Derived from Transgene-Free Human Induced Pluripotent Stem CellsJOURNAL OF INVESTIGATIVE DERMATOLOGY, 2013, 133 (08) : 2104 - 2108Jones, Jennifer C.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Calif State Univ, Channel Isl, CA USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USASabatini, Karen论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USALiao, Xiaoyan论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Univ Calif San Diego, Dept Reprod Med, San Diego, CA 92103 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USATran, Ha T.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USALynch, Candace L.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USAMorey, Robert E.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USAGlenn-Pratola, Victoria论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USABoscolo, Francesca S.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USAYang, Qinghong论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Pathol, San Diego, CA 92103 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USAParast, Mana M.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Pathol, San Diego, CA 92103 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USALiu, Ying论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Reprod Med, San Diego, CA 92103 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USAPeterson, Suzanne E.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USALaurent, Louise C.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Univ Calif San Diego, Dept Reprod Med, San Diego, CA 92103 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USALoring, Jeanne F.论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USAWang, Yu-Chieh论文数: 0 引用数: 0 h-index: 0机构: Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA Scripps Res Inst, Ctr Regenerat Med, La Jolla, CA 92037 USA Scripps Res Inst, Dept Chem Physiol, La Jolla, CA 92037 USA
- [6] Generation of transgene-free hematopoietic stem cells from human induced stem cellsCELL STEM CELL, 2023, 30 (12) : 1610 - 1623.e7Piau, Olivier论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France Sorbonne Univ, Inst Biol Paris Seine, Inserm, CNRS,U1156,UMR7622,Lab Biol Dev, 9 Quai St Bernard, F-75005 Paris, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceBrunet-Manquat, Mathias论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France EFS Ile France, Unite Ingenierie & Therapie Cellulaire, F-94017 Creteil, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceL'Homme, Bruno论文数: 0 引用数: 0 h-index: 0机构: Inst Radioprotect & Surete Nucleaire IRSN, Lab Radiobiol Exposit Med LRMed, F-92262 Fontenay Aux Roses, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FrancePetit, Laurence论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Inst Biol Paris Seine, Inserm, CNRS,U1156,UMR7622,Lab Biol Dev, 9 Quai St Bernard, F-75005 Paris, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceBirebent, Brigitte论文数: 0 引用数: 0 h-index: 0机构: EFS Ile France, Unite Ingenierie & Therapie Cellulaire, F-94017 Creteil, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceLinard, Christine论文数: 0 引用数: 0 h-index: 0机构: Inst Radioprotect & Surete Nucleaire IRSN, Lab Radiobiol Exposit Med LRMed, F-92262 Fontenay Aux Roses, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceMoeckes, Laetitia论文数: 0 引用数: 0 h-index: 0机构: Etab Francais Sang Atlantic Bio GMP, 2 Rue Aronnax, F-44800 St Herblain, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceZuliani, Thomas论文数: 0 引用数: 0 h-index: 0机构: Etab Francais Sang Atlantic Bio GMP, 2 Rue Aronnax, F-44800 St Herblain, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceLapillonne, Helene论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceBenderitter, Marc论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France Inst Radioprotect & Surete Nucleaire IRSN, Lab Radiobiol Exposit Med LRMed, F-92262 Fontenay Aux Roses, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceDouay, Luc论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France Hop St Antoine Trousseau, AP HP, Serv Hematol Biol, F-75012 Paris, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France论文数: 引用数: h-index:机构:Guyonneau-Harmand, Laurence论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France EFS Ile France, Unite Ingenierie & Therapie Cellulaire, F-94017 Creteil, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceJaffredo, Thierry论文数: 0 引用数: 0 h-index: 0机构: EFS Ile France, Unite Ingenierie & Therapie Cellulaire, F-94017 Creteil, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceBenderitter, Marc论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France Inst Radioprotect & Surete Nucleaire IRSN, Lab Radiobiol Exposit Med LRMed, F-92262 Fontenay Aux Roses, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, FranceDouay, Luc论文数: 0 引用数: 0 h-index: 0机构: Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France Hop St Antoine Trousseau, AP HP, Serv Hematol Biol, F-75012 Paris, France Sorbonne Univ, Ctr Rech St Antoine, CRSA, INSERM,UMR S938, F-75012 Paris, France论文数: 引用数: h-index:机构:
- [7] Stem cells from apical papilla promote differentiation of human pluripotent stem cells towards retinal cellsDIFFERENTIATION, 2018, 101 : 8 - 15Karamali, Fereshteh论文数: 0 引用数: 0 h-index: 0机构: ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, Iran Univ Sci & Culture, Dept Dev Biol, Tehran, Iran ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, IranEsfahani, Mohammad-Hossein Nasr论文数: 0 引用数: 0 h-index: 0机构: ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, Iran ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, IranTaleahmad, Sara论文数: 0 引用数: 0 h-index: 0机构: ACECR, Cell Sci Res Ctr, Royan Inst Stem Cell Biol & Technol, Dept Stem Cells & Dev Biol, Tehran, Iran ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, IranSatarian, Leila论文数: 0 引用数: 0 h-index: 0机构: ACECR, Cell Sci Res Ctr, Royan Inst Stem Cell Biol & Technol, Dept Stem Cells & Dev Biol, Tehran, Iran ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, IranBaharvand, Hossein论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Culture, Dept Dev Biol, Tehran, Iran ACECR, Cell Sci Res Ctr, Royan Inst Stem Cell Biol & Technol, Dept Stem Cells & Dev Biol, Tehran, Iran ACECR, Royan Inst Biotechnol, Cell Sci Res Ctr, Dept Cellular Biotechnol, Esfahan, Iran
- [8] Chemically induced pluripotent stem cells (CiPSCs): a transgene-free approachJOURNAL OF MOLECULAR CELL BIOLOGY, 2013, 5 (05) : 354 - 355Masuda, Shigeo论文数: 0 引用数: 0 h-index: 0机构: Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USAWu, Jun论文数: 0 引用数: 0 h-index: 0机构: Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USAHishida, Tomoaki论文数: 0 引用数: 0 h-index: 0机构: Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USAPandian, Ganesh N.论文数: 0 引用数: 0 h-index: 0机构: Kyoto Univ, Inst Integrated Cell Mat Sci WPI iCeMS, Kyoto 6068502, Japan Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USASugiyama, Hiroshi论文数: 0 引用数: 0 h-index: 0机构: Kyoto Univ, Inst Integrated Cell Mat Sci WPI iCeMS, Kyoto 6068502, Japan Kyoto Univ, Grad Sch Sci, Dept Chem, Kyoto 6068502, Japan Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USABelmonte, Juan Carlos Izpisua论文数: 0 引用数: 0 h-index: 0机构: Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA Ctr Regenerat Med Barcelona, Barcelona 08003, Spain Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA
- [9] Derivation of Transgene-Free Rat Induced Pluripotent Stem Cells Approximating the Quality of Embryonic Stem CellsSTEM CELLS TRANSLATIONAL MEDICINE, 2017, 6 (02) : 340 - 351Li, Shuping论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaLan, He论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaMen, Hongsheng论文数: 0 引用数: 0 h-index: 0机构: Univ Missouri, Rat Resource & Res Ctr, Vet Pathobiol, Columbia, MO USA China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaWu, Yuanyuan论文数: 0 引用数: 0 h-index: 0机构: Univ Utah, Sch Med, Dept Human Genet, Salt Lake City, UT 84132 USA China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaLi, Ning论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaCapecchi, Mario R.论文数: 0 引用数: 0 h-index: 0机构: Univ Utah, Sch Med, Dept Human Genet, Salt Lake City, UT 84132 USA China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaBryda, Elizabeth C.论文数: 0 引用数: 0 h-index: 0机构: Univ Missouri, Rat Resource & Res Ctr, Vet Pathobiol, Columbia, MO USA China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R ChinaWu, Sen论文数: 0 引用数: 0 h-index: 0机构: China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China
- [10] Toward Transgene-Free Induced Pluripotent Stem Cells: Lessons from Transdifferentiation StudiesCELLULAR REPROGRAMMING, 2011, 13 (04) : 273 - 280Chua, Shawn J.论文数: 0 引用数: 0 h-index: 0机构: Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Toronto, ON M5T 3H7, Canada Univ Toronto, Inst Med Sci, Toronto, ON M5S 1A1, Canada Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Toronto, ON M5T 3H7, CanadaCasper, Robert F.论文数: 0 引用数: 0 h-index: 0机构: Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Toronto, ON M5T 3H7, Canada Univ Toronto, Inst Med Sci, Toronto, ON M5S 1A1, Canada Univ Toronto, Dept Obstert & Gynecol, Toronto, ON M5S 1A1, Canada Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Toronto, ON M5T 3H7, CanadaRogers, Ian M.论文数: 0 引用数: 0 h-index: 0机构: Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Toronto, ON M5T 3H7, Canada Univ Toronto, Dept Obstert & Gynecol, Toronto, ON M5S 1A1, Canada Mt Sinai Hosp, Samuel Lunenfeld Res Inst, Toronto, ON M5T 3H7, Canada