[1] Univ Nevada, Sch Publ Hlth, Dept Social & Behav Hlth, 4700 S Maryland Pkwy, Las Vegas, NV 89119 USA
[2] Emory Univ, Nell Hodgson Woodruff Sch Nursing, Atlanta, GA 30322 USA
[3] CUNY Hunter Coll, Brookdale Ctr Hlth Aging, New York, NY 10021 USA
[4] Univ Tennessee, Coll Nursing, Knoxville, TN USA
[5] Columbia Univ, Sch Nursing, New York, NY USA
[6] Columbia Univ, Dept Psychiat, New York, NY USA