1. Design of a frailty index among community living middle-aged and older people: The Rotterdam study. (March 2017) Authors: Schoufour, Josje D.; Erler, Nicole S.; Jaspers, Loes; Kiefte-de Jong, Jessica C.; Voortman, Trudy; Ziere, Gijsbertus; Lindemans, Jan; Klaver, Caroline C.; Tiemeier, Henning; Stricker, Bruno; Ikram, Arfan M.; Laven, Joop S.E.; Brusselle, Guy G.O.; Rivadeneira, Fernando; Franco, Oscar H. Journal: Maturitas Issue: Volume 97(2017) Page Start: 14 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗