The Diagnosis of Osteoporosis in Men, Premenopausal Women, and Children Writing Group: David L. Kendler, MD (chair), University of British Columbia, Vancouver, BC, Canada; Jan Bruder, MD, University of Texas, San Antonio, TX; Gary W. Edelson, MD, Associated Endocrinologists, West Bloomfield, MI; Ignac Fogelman, BSc, MD, Guy's Hospital, London, United Kingdom; Ghada El-Hajj Fuleihan, MD, American University of Beirut, Beirut, Lebanon; Didier B. Hans, PhD, Geneva University Hospital, Geneva, Switzerland; Aliya Khan, MD, McMaster University, Hamilton, ON, Canada; Brian C. Lentle, MD, University of British Columbia, Saanichton, BC, Canada