1. From the University of Ottawa and Ottawa Health Research Institute Canada (C.v.W.), Ottawa, Canada; the Institute for Clinical Evaluative Sciences (C.v.W., P.C.A.), Toronto, Canada; the University of Texas Health Science Center at San Antonio (R.G.H.), San Antonio, Texas; McMaster University (S.C.), Hamilton, Ontario, Canada; the Department of Public Health Sciences and Health Policy, Management and Evaluation (P.C.A.), University of Toronto, Toronto, Canada.; Primary Care Clinical Sciences (J.M., F...