Affiliations

• ¹ Department of General Paediatrics, Willem Alexander Children's Hospital, Leiden University Medical Center, Leiden, Netherlands f.g.ropers@lumc.nl.
• ² Sydney School of Public Health, University of Sydney, Sydney, New South Wales.
• ³ Minneapolis VA Center for Care Delivery and Outcomes Research and the University of Minnesota, Minneapolis, MN, USA.
• ⁴ Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada.
• ⁵ Warwick Medical School, Coventry, UK.
• ⁶ Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA.
• ⁷ Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, USA.
• ⁸ Oregon Health and Science University, Portland, OR, USA.
• ⁹ Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK.
• ¹⁰ School of Medicine, University of North Carolina at Chapel Hill, NC, USA.
• ¹¹ Australian Centre for Health Engagement, Evidence and Values, University of Wollongong, Wollongong, NSW, Australia.
• ¹² Centre for Evidence-Based Medicine Odense (CEBMO) and Cochrane Denmark, Department of Clinical Research, University of Southern Denmark, Odense, Denmark.