[1] Haaglanden Med Ctr, Emergency Dept, POB 432, NL-2501 CK The Hague, Netherlands
[2] Leiden Univ, Dept Internal Med, Sect Gerontol & Geriatr, Med Ctr, Leiden, Netherlands
[3] Leiden Univ, Dept Publ Hlth & Primary Care, Med Ctr, Leiden, Netherlands
[4] Leiden Univ, Dept Psychiat, Med Ctr, Leiden, Netherlands
[5] CAPRI Univ Antwerp, Dept Psychiat, Antwerp, Belgium