1. Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK
2. Institute for Quality and Efficiency in Health Care (IQWiG), Cologne, Germany
3. Research Group Evidence-Based Public Health, Leibniz-Institute for Epidemiology and Prevention Research (BIPS), Bremen, Germany
4. Institute for Public Health and Nursing, Health Sciences Bremen, University Bremen, Bremen, Germany
5. School of Health Professions, Zurich University of Applied Sciences, Winterthur, Switzerland