[1] Tufts Univ, Jean Mayer USDA Human Nutr Res Ctr Aging, Nutr Exercise Physiol & Sarcopenia Lab, Boston, MA 02111 USA
[2] Tufts Med Ctr, Div Endocrinol Diabet & Metab, Boston, MA USA
[3] Tufts Univ, Jean Mayer USDA Human Nutr Res Ctr Aging, Bone Metab Lab, Boston, MA 02111 USA