1. Mental Health Research and Treatment Centre (FBZ), Ruhr University Bochum, Bochum, Germany
2. German Centre for Mental Health (DZPG), Partner Site Bochum/Marburg, Bochum, Germany
3. Elternhilfe für krebskranke Kinder Leipzig e. V., Leipzig, Germany
4. Department of Health, Care and Management, University of Applied Sciences Neubrandenburg, Neubrandenburg, Germany
5. Department of Applied Human Sciences, University of Applied Sciences Magdeburg-Stendal, Stendal, Germany