[1] Interdisciplinary Centre for Health Sciences,Faculty of Medicine, Institute for History and Ethics of Medicine
[2] Martin Luther University Halle-Wittenberg,Department of Hematology, Oncology and Palliative Care
[3] St. Josef Hospital,Center for Evidence
[4] Ruhr University Bochum,Based Healthcare
[5] University Hospital Carl Gustav Carus and Carl Gustav Carus Faculty of Medicine,Health Services Research Working Group, Department of Internal Medicine
[6] Technische Universität Dresden,Department of Medicine, Internal Medicine IV
[7] University Hospital Halle (Saale),Department of Psychosomatic Medicine and Psychotherapy
[8] University Hospital Heidelberg,undefined
[9] LWL-University Clinic,undefined
[10] Ruhr University Bochum,undefined