[1] VET AFFAIRS MED CTR, GERIATR RES EDUC & CLIN CTR 182B, SEATTLE, WA 98108 USA
[2] UNIV WASHINGTON, SCH MED, DEPT MED, DIV GERONTOL & GERIATR MED, SEATTLE, WA 98108 USA
[3] UNIV WASHINGTON, SCH MED, DEPT MED, DIV METAB ENDOCRINOL & NUTR, SEATTLE, WA 98108 USA
[4] UNIV WASHINGTON, SCH MED, POPULAT CTR RES REPROD, SEATTLE, WA 98108 USA