[1] Helen Hayes Hosp, Reg Bone Ctr, W Haverstraw, NY USA
[2] Henry Ford Hlth Syst, Bone & Mineral Res Lab, Detroit, MI USA
[3] United Osteoporosis Ctr, Gainesville, GA USA
[4] Colorado Ctr Bone Res, Lakewood, CO USA
[5] Harvard Med Sch, Mass Gen Hosp, Boston, MA 02115 USA
[6] Radius Hlth Inc, Waltham, MA USA