[1] Charite Univ Med Berlin, Klin Geriatrie & Altersmed, Campus Benjamin Franklin, Berlin, Germany
[2] Charite Univ Med Berlin, Klin Geriatrie & Altersmed & Evangel, Geriatriezentrum Berlin, Berlin, Germany
[3] Univ Potsdam, Inst Ernahrungswissensch, Potsdam, Germany