1Iberoamerican Cochrane Centre- Institut de Recerca Sant Pau, Barcelona, Barcelona, Spain
2American College of Physicians, Philadelphia, USA
3Iberoamerican Cochrane Centre- Institut de Recerca Sant Pau, Barcelona, Barcelona, Spain; CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III (CIBERESP), Barcelona, Spain
4Evidence Prime Inc., Hamilton, Canada
5Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada