[1] Uppsala Univ Hosp, Dept Geriatr Med, Uppsala, Sweden
[2] Uppsala Univ, Clin Nutr & Metab, Publ Hlth & Caring Sci, Uppsala, Sweden
[3] Univ Vermont, Coll Med, Deans Off, Burlington, VT USA
[4] Univ Vermont, Coll Med, Dept Med, Burlington, VT 05405 USA