John P. Bilezikian, is the Dorothy L. and Daniel H. Silberberg Professor of Medicine and Professor of Pharmacology at the College of Physicians & Surgeons, Columbia University. He is Chief, Emeritus, of the Division of Endocrinology and Vice-chair of the Department of Medicine for International Research and Education. He is also Director, Emeritus, of the Metabolic Bone Diseases Program at Columbia University Medical Center.
Lorenz C. Hofbauer, MD, is Professor of Endocrinology and Geriatrics and Medical Director of Bone Lab Dresden, at Technical University Dresden, in Germany.
Marcella Walker, MD, is Professor of Medicine in the Division of Endocrinology at Columbia University Irving Medical Center, in New York.
Teresita Bellido, PhD, is Professor and Chair of Physiology and Cell Biology at University of Arkansas for Medical Sciences, and Research Career Scientist at Central Arkansas Veterans Healthcare System in Little Rock, Arkansas.