1. Institute for Social Health, Catholic University of Applied Sciences Berlin, Köpenicker Allee 39-57, 10318 Berlin, Germany
2. Graduate Entry Medical School, University of Limerick, Limerick V94 T9PX, Ireland
3. Department of Health, Nursing, and Management, Neubrandenburg University of Applied Sciences, Brodaer Straße 2, 17033 Neubrandenburg, Germany