1. Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine University Hospital Wuerzburg Wuerzburg Germany
2. Evidence‐based Oncology, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, Faculty of Medicine and University Hospital Cologne University of Cologne Cologne Germany
3. Centre for Evidence Synthesis in Global Health Liverpool School of Tropical Medicine Liverpool UK
4. Cochrane Injuries Group London School of Hygiene & Tropical Medicine London UK