1. Department of Medical Development, Process and Quality Management, Tuebingen University Hospital, 72076 Tuebingen, Germany
2. eHealth Research Group, Department of Otolaryngology — Head and Neck Surgery, Tuebingen University Hospital, 72076 Tuebingen, Germany
3. Institute of Health Care and Public Management, University of Hohenheim, 70599 Stuttgart, Germany
4. Business Teams, German Society for Telematic Applications of the Health Card, 10117 Berlin, Germany
5. Tuebingen Institute for Medical Education (TIME), Faculty of Medicine, University of Tuebingen, 72076 Tuebingen, Germany
6. Institute of Medical Systems Biology, University of Ulm, 89081 Ulm, Germany