[1] All India Inst Med Sci, New Delhi, India
[2] VA PUGET SOUND SEATTLE, Seattle, WA USA
[3] Univ Washington, Seattle, WA USA
[4] Univ Alabama Birmingham, Birmingham, AL USA
[5] Univ Nebraska Med Ctr, Omaha, NE USA
[6] Univ Penn, Philadelphia, PA USA
[7] Ohio State Univ, Wexner Med Ctr, Columbus, OH USA
[8] UT SouthWestern Med Ctr, Dallas, TX USA
[9] Dallas VA, Dallas, TX USA
[10] Ohio State Med Ctr, Columbus, OH USA
[11] New England VA Geriatr Res Educ & Clin Ctr, Boston, MA USA
[12] Boston VA, Boston, MA USA
[13] Harvard Med Sch, Brigham & Womens Hosp, Div Aging, Boston, MA USA
[14] Univ Washington, Bellevue, WA USA