1. Medical Faculty Mannheim, Mannheim Institute of Public Health, Social and Preventive Medicine, Heidelberg University, Mannheim, Germany
2. Medizinischer Dienst der Krankenversicherung / Medical Service of Statutory Health Insurance (MDK) Baden-Württemberg, Lahr, Germany
3. MDK Baden-Württemberg, BBZ Karlsruhe, Karlsruhe, Germany