作者单位：
Department of Medicine, St Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
[1]
University of Toronto, Toronto, ON, Canada
[2]
University of Calgary, Calgary, AB, Canada
[3]
McGill University, Montreal, QC, Canada
[4]
Royal Alexandra Hospital, University of Alberta, Edmonton, AB, Canada
[5]
Departments of Internal Medicine and Community Health Services, University of Manitoba, Winnipeg
[6]
Department of Medicine, Dalhousie University, Division of Gastroenterology, 1278 Tower Road
[7]
发布时间
2013-11-20
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