H. Vehof a, ⁎, L. Baars a, H. Boter b, B. Buurman c, W. Den Elzen d, D. Jansen e, R. Kempen f, B. Steunenberg g, E.W. Steyerberg h, M. Olde-Rikkert a, R. Melis a
a Geriatrics, Radboud University Nijmegen Medical Center, Nijmegen, Netherlands
b Epidemiology, UMC Groningen, Groningen, Netherlands
c Department Of Internal Medicine, Section Of Geriatric Medicine, Academic Medical Center, Amsterdam, Netherlands
d Public Health And Primary Care, Leiden UMC, Leiden, Netherlands
e Emgo Institute For Health And Care Research, VUMC, Amsterdam, Netherlands
f Health Services Research, Maastricht University, Maastricht, Netherlands
g Julius Center For Health Sciences And Primary Care, UMC Utrecht, Utrecht, Netherlands
h Public Health, Erasmus Medical Center, Rotterdam, Netherlands