作者单位：
Department of Medicine, Durham Veterans Affairs Medical Center, Duke University, Durham, NC, United
[1]
Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston
[2]
Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON
[3]
Pacific Parkinson Research Centre, University of British Columbia, Vancouver, BC, Canada
[4]
Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute
[5]
Department of Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, BC
[6]
发布时间
2013-11-20
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