1. Professorship for Business Administration and Management in the Healthcare Sector, Catholic University of Applied Sciences Mainz, Germany
2. Faculty of Healthcare and Nursing, Catholic University of Applied Sciences Mainz, Germany
3. Academy for Health Professions (MTR School), University Hospital Heidelberg, Germany
4. Training Center for Medical Technology (Radiology), University Medicine of the Johannes Gutenberg University Mainz, Germany
5. Training Center for Health Professions (MTA School), University Hospital of Düsseldorf, Düsseldorf, Germany
6. Chair of Management and Innovation in Health Care, Witten/Herdecke University, Witten, Germany
7. Clinic and Polyclinic for Nuclear Medicine, University Medicine of the Johannes Gutenberg University Mainz, Germany
8. Department of Nuclear Medicine, Medical Faculty, Heinrich-Heine-University, University Hospital of Düsseldorf, Düsseldorf, Germany
9. Department of Diagnostic and Interventional Radiology, Medical Faculty, Heinrich-Heine-University, University Hospital of Düsseldorf, Düsseldorf, Germany