1. Medizinische Hochschule Hannover, Hannover, Germany
2. Evang. Kliniken Essen-Mitte, University of Duisburg-Essen, Essen, Germany
3. Kantonsspital St. Gallen, Centre for Integrative Medicine, Sankt Gallen, Switzerland
4. University Hospital Heidelberg, Heidelberg, Germany
5. University Hospital Tuebingen, Baden-Württemberg, Germany
6. Tropenklinik Paul-Lechler-Krankenhaus, Tuebingen, Germany
7. Community Hospital Karlsruhe, Karlsruhe, Baden-Württemberg, Germany
8. Robert-Bosch-Krankenhaus Stuttgart, Stuttgart, Baden-Württemberg, Germany
9. Akademie für Pflegeberufe an der Filderklinik, Filderstadt, Germany
10. Paracelsus Medical University, Klinikum Nürnberg, Germany
11. University Hospital Zurich and University of Zurich, Zurich, Switzerland