[1] David Geffen Sch Med, Dept Med, Div Geriatr, Los Angeles, CA USA
[2] Univ Calif Los Angeles, Los Angeles, CA USA
[3] Hlth Serv Advisory Grp, Glendale, CA USA
[4] Univ Calif Los Angeles, Med Ctr, Los Angeles Cty Olive View, Sylmar, CA USA
[5] Western Univ Hlth Sci, Pomona, CA USA
[6] Calif Assoc Long Term Care Med, Los Angeles, CA USA
[7] NYU, Sch Med, Div Geriatr Med & Palliat Care, New York, NY USA