[1] NIVEL Netherlands Inst Hlth Serv Res, Utrecht, Netherlands
[2] Maastricht Univ, Fac Hlth Med & Life Sci, Dept Hlth Org Policy & Econ, Maastricht, Netherlands
[3] Vrije Univ Amsterdam Med Ctr, EMGO Inst Hlth & Care Res EMGO, Dept Publ & Occupat Hlth, Amsterdam, Netherlands
[4] Blekinge Inst Technol, Sch Hlth Sci, Karlskrona, Sweden
[5] INRCA Natl Inst Hlth & Sci Aging, Ancona, Italy
[6] Univ Amsterdam, Fac Social & Behav Sci, Dept Sociol & Anthropol, Amsterdam, Netherlands