Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): Explanation and Elaboration

Leiden University Medical Center, Institute of Social and Preventive Medicine, University of Bern, Cancer Research UK, Cochrane, Rigshospitalet, The University of Texas Health Science Center at San Antonio, London School of Hygiene & Tropical Medicine, North Carolina Division of Public Health, University of North Carolina at Chapel Hill, University of North Carolina Health Care, University of Pittsburgh, UPMC Hillman Cancer Center, University of Bristol