[1] Univ British Columbia, 600-1285 West Broadway, Vancouver, BC V6H 3X8, Canada
[2] Ctr Hosp Univ Quebec, Quebec City, PQ G1V 4G2, Canada
[3] RTI Int, RTI Hlth Solut, Res Triangle Pk, NC 27709 USA
[4] Duke Univ, Med Ctr, Ctr Aging, Durham, NC 27710 USA
[5] Univ London, Sch Pharm, Ctr Behav Med, London WC1N 1AX, England
[6] Amgen Inc, Thousand Oaks, CA 91320 USA
[7] Amgen Inc, Cambridge CB4 0WD, England
[8] Amgen Inc, San Francisco, CA 94080 USA
[9] Stanford Univ, Sch Med, Stanford, CA 94305 USA
[10] Michigan Bone & Mineral Clin PC, Detroit, MI 48236 USA