[1] Univ Groningen, Univ Med Ctr Groningen, Dept Old Age Psychiat, Groningen, Netherlands
[2] Univ Groningen, Univ Med Ctr Groningen, Dept Clin Pharm & Pharmacol, Groningen, Netherlands
[3] GGZ Friesland, Geriatr Psychiat, Leeuwarden, Netherlands
[4] Leonardo Sci Res Inst, Geriatr Psychiat, Groningen, Netherlands