[1] Leiden Univ Med Ctr, Dept Internal Med, Sect Gerontol & Geriatr, Albinusdreef 2, NL-2333 ZA Leiden, Netherlands
[2] Catharina Hosp, Dept Geriatr, Eindhoven, Netherlands
[3] Reinier de Graaf Hosp, Dept Geriatr Med, Delft, Netherlands
[4] Erasmus MC Univ Med Ctr, Dept Internal Med, Rotterdam, Netherlands
[5] Amsterdam Univ Med Ctr Locat AMC, Dept Internal Med, Sect Geriatr, ,The, Amsterdam, Netherlands
[6] VieCuri Med Ctr, Dept Emergency Med, Venlo, Netherlands
[7] Leiden Univ Med Ctr, Dept Infect Dis, Leiden, Netherlands
[8] OLVG Hosp, Dept Internal Med & Geriatr, Amsterdam, Netherlands
[9] Reinier de Graaf Hosp, Dept Internal Med, Delft, Netherlands
[10] KBO PCOB, Etten Leur, Netherlands
[11] Alrijne Hosp, Dept Geriatr, Leiderdorp, Netherlands
[12] Med Ctr Leeuwarden, Dept Internal Med, Leeuwarden, Netherlands
[13] St Jansdal Hosp, Dept Geriatr Med, Harderwijk, Netherlands
[14] Reinier de Graaf Hosp, Dept Pulm Med, Delft, Netherlands
[15] Spaarne Hosp, Dept Emergency Med, Haarlem, Netherlands
[16] Elisabeth TweeSteden Hosp, Dept Geriatr Med, Tilburg, Netherlands
[17] Erasmus MC Univ Med Ctr, Dept Internal Med, Sect Geriatr, Rotterdam, Netherlands
[18] Univ Med Ctr Groningen, Dept Internal Med & Geriatr, Groningen, Netherlands
[19] Maasstad Hosp, Dept Internal Med, Rotterdam, Netherlands
[20] Gelre Hosp, Ctr Excellence Old Age Med, Dept Geriatr Med, Apeldoorn, Netherlands
[21] Gelre Hosp, Ctr Excellence Old Age Med, Apeldoorn, Netherlands
[22] Gelre Hosp, Ctr Excellence Old Age Med, Dept Geriatr Med, Zutphen, Netherlands
[23] Gelre Hosp, Ctr Excellence Old Age Med, Zutphen, Netherlands
[24] Alrijne Hosp, Dept Internal Med, Leiderdorp, Netherlands