1. Department of Obstetrics and Gynaecology Kingston General Hospital Queen's University Kingston ON Canada
2. Department of Obstetrics and Gynecology St. Luke's Medical Center Quezon City Philippines
3. Health Sciences Library University of Ottawa Ottawa ON Canada
4. Department of Clinical Epidemiology Ottawa Hospital Research Institute Ottawa ON Canada
5. Department of Obstetrics, Gynecology and Newborn Care The Ottawa Hospital Ottawa ON Canada