Nicholas C. Danford, MD, Department of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY, USAJustin K. Greisberg, MD, Professor of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY, USACharles M. Jobin, MD, Associate Professor of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY, USAMelvin P. Rosenwasser, MD, Carroll Professor of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY, USAMarcella D. Walker, Associate Professor of Medicine, Division of Endocrinology, Columbia University Irving Medical Center, New York, NY, USA