1Regional Bone Center, Helen Hayes Hospital, New York State Department of Health, West Haverstraw, New York, USA
2Department of Pathology, College of Physicians and Surgeons of Columbia University, New York, New York, USA
3Clinical Research Center, Helen Hayes Hospital, New York State Department of Health, West Haverstraw, New York, USA
4Department of Medicine, College of Physicians and Surgeons of Columbia University, New York, New York, USA
5School of Public Health, College of Physicians and Surgeons of Columbia University, New York, New York, USA
6Orthopedic Biomechanics Laboratory, Harvard Medical School, and Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
7Department of Pharmacology, College of Physicians and Surgeons of Columbia University, New York, New York, USA