1. Department of Volunteer Resources, University Health Network, Toronto, Canada.
2. Clinical Endocrinology Fellowship, Division of Endocrinology, Department of Medicine, University of Toronto, Toronto, Canada.
3. University Health Network Library and Information Services, Princess Margaret Cancer Centre, Toronto, Canada.
4. Department of Otolaryngology—Head and Neck Surgery, University Health Network and University of Toronto, Toronto, Canada.
5. Division of Endocrinology, Department of Medicine, University Health Network and University of Toronto, Toronto, Canada.