[1] IRCCS INRCA Natl Inst Hlth & Sci Aging, Ctr Socioecon Res Aging, Via Santa Margherita 5, I-60124 Ancona, Italy
[2] IRCCS INRCA Natl Inst Hlth & Sci Aging, Lab Geriatr Pharmacoepidemiol, Via Santa Margherita 5, I-60124 Ancona, Italy
[3] Linnaeus Univ, Dept Hlth & Caring Sci, SE-39182 Kalmar, Sweden
[4] Swedish Family Care Competence Ctr, Stromgatan 13, SE-39232 Kalmar, Sweden
[5] Univ Ljubljana, Fac Social Sci, Kardeljeva Ploscad 5, Ljubljana 1000, Slovenia