* Departments of Clinical Epidemiology and Biostatistics and Medicine, McMaster University, Hamilton, Ontario, Canada, and Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada. † Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China. ‡ Department of Anesthesiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina. § Department of Anesthesia, McGill University, Montreal, Quebec, Canada. ‖ Department of Outcomes Research, Cleveland Clinic, Cleveland, Ohio, and Population Health Research Institute, Hamilton Health Sciences and McMaster University. Anesthesiology
(Impact Factor: 5.88).
03/2012; 116(6):1169-75. DOI: 10.1097/ALN.0b013e31825037bc