1. Institute of Psychology, Heidelberg University, Heidelberg, Germany
2. Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany
3. Department of Clinical Social Medicine, University Hospital Heidelberg, Heidelberg, Germany
4. Division of Public Health and Primary Care, Brighton and Sussex Medical School, Falmer, UK
5. The Ohio State University, Department of Psychology, Columbus, Ohio, USA
6. German Childhood Cancer Registry at the Institute for Medical Biostatistics, Epidemiology and Informatics, University of Mainz, Mainz, Germany
7. Division of Preventive Medicine and Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MD, USA