[1] Baerum Hosp Pharm, Sykehusapotekene HF, Gjettum, Norway
[2] Sch Pharm, Dept Pharmaceut Biosci, Oslo, Norway
[3] Diakonhjemmet Hosp, Ctr Psychopharmacol, Oslo, Norway
[4] Baerum Hosp, Dept Med, Geriatr Sect, Gjettum, Norway
[5] Karolinska Univ Hosp, NVS Dept, Stockholm, Sweden