| Affiliation: | 1. Department of Internal and Integrative Medicine, Kliniken Essen‐Mitte, Faculty of Medicine, University of Duisburg‐Essen, Essen, Germany;2. Tempelhof Colon Centre, St. Joseph's Hospital, Berlin, Germany;3. Department of Surgery and Centre for Minimal Invasive Surgery, Kliniken Essen‐Mitte, University of Duisburg‐Essen, Essen, Germany;4. Department of Pain Management, Krankenhaus St. Josef, Wuppertal, Germany;5. Department of Community Health, National University, San Diego, CA, USA;6. Department of Internal and Complementary Medicine, Immanuel Hospital Berlin, Berlin, Germany;7. Institute of Social Medicine, Epidemiology and Health Economics, Charité University Medical Centre, Berlin, Germany;8. Department of Integrative Gastroenterology, Kliniken Essen‐Mitte, Faculty of Medicine, University of Duisburg‐Essen, Essen, Germany |
