[1] Univ Wisconsin, Osteoporosis Clin Res Program, 2870 Univ Ave, Madison, WI 53706 USA
[2] Med Coll Wisconsin, Milwaukee, WI 53226 USA
[3] Clement J Zablocki VAMC, Milwaukee, WI USA
[4] Univ Manitoba, Winnipeg, MB, Canada
[5] New Mexico Clin Res & Osteoporosis Ctr, Albuquerque, NM USA
[6] Garvan Inst Med Res, Darlinghurst, NSW, Australia
[7] Univ Notre Dame Australia, Sch Med Sydney, Sydney, NSW, Australia
[8] St Vincents Hosp, Sydney, NSW, Australia
[9] UNSW Australia, Sydney, NSW, Australia
[10] Columbia Univ, Coll Phys & Surg, New York, NY USA