Authors: P J Devereaux; W Scott Beattie; Peter T-L Choi; Neal H Badner; Gordon H Guyatt; Juan C Villar; Claudio S Cinà; Kate Leslie; Michael J Jacka; Victor M Montori; Mohit Bhandari; Alvaro Avezum; Alexandre B Cavalcanti; Julian W Giles; Thomas Schricker; Homer Yang; Carl-Johan Jakobsen; Salim Yusuf Journal: BMJ Date: 2005-07-04