This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticle by Mariann Rigó Mariann Rigó Scilit Preprints.org Google Scholar and Simone Weyers Simone Weyers Scilit Preprints.org Google Scholar * Institute of Medical Sociology, Centre for Health and Society, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany * Author to whom correspondence should be addressed.