AGREE II: advancing guideline development, reporting and evaluation in health care.

From McMaster University (Brouwers, Kho, Hanna, Makarski); the Program in Evidence-based Care, Cancer Care Ontario (Brouwers), Hamilton, Ontario; British Columbia Cancer Agency (Browman), Victoria, BC; the Dutch Institute for Healthcare Improvement CBO and IQ Healthcare (Burgers), Radboud University Nijmegen Medical Centre, the Netherlands; St. George’s University of London (Cluzeau), London, UK; the University of Bristol (Feder), Bristol, UK; Unité Cancer et Environement (Fervers), Université de Lyon e Centre Léon Bérard, Université Lyon 1, EA 4129, Lyon, France; the Canadian Institutes of Health Research (Graham), Ottawa, Ontario; the Ottawa Hospital Research Institute (Grimshaw), Ottawa, Ontario; the National Institute for Health and Clinical Excellence (Littlejohns), London, UK; and the Canadian Partnership Against Cancer (Zitzelsberger), Ottawa, Ontario