[1] Univ Alabama Birmingham, Dept Med, Div Gerontol Geriatr & Palliat Care, Birmingham, AL 35294 USA
[2] Univ Alabama Birmingham, Sch Nursing, 1701 Univ Blvd, Birmingham, AL 35233 USA
[3] Univ Alabama Birmingham, Sch Med, Dept Otolaryngol, Birmingham, AL USA
[4] Univ Alabama Birmingham, Sch Med, Ctr Palliat & Support Care, Birmingham, AL USA
[5] Univ Alabama Birmingham, Sch Nursing, Ctr Palliat & Support Care, Birmingham, AL USA
[6] Univ Alabama Birmingham, Dept Med, Div Nephrol, Birmingham, AL 35294 USA