1. Institute for Applied Epistemology and Medical Methodology, Witten/Herdecke University, Freiburg, Germany
2. Center for Complementary Medicine, Institute for Infection Prevention and Hospital Epidemiology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
3. Integrative Oncology Program, Oncology Service, Lin Medical Center, Clalit Health Services, Rappaport Faculty of Medicine, Technion, Haifa, Israel
4. Institute for Integrative Medicine, Witten/Herdecke University, Freiburg, Germany
5. Program of Health Policy, Systems and Management, School of Public Health, University of Chile, Santiago, Chile
6. Department of Neurobiology Care Sciences and Society, Division of Nursing, Research Group Integrative Care, Karolinska Institutet, Stockholm, Sweden
7. Department of Psychiatry and Psychiatric Rehabilitation, Saint John Hospital, Budapest, Hungary
8. Integrative and Anthroposophic Medicine, Institute for Integrative Medicine, Witten/Herdecke University, Freiburg, Germany
9. University of Bern, Institute of Complementary and Integrative Medicine, Bern, Switzerland
10. Department of CAM, Faculty of Health Sciences, University of Pecs, Pilisszentkereszt, Hungary