[1] Univ Groningen, Dept Pharm, Unit PharmacoTherapy Epidemiol & Econ PTE2, Groningen, Netherlands
[2] Univ Groningen, Univ Med Ctr Groningen, Dept Med Microbiol, Groningen, Netherlands
[3] ICON Hlth Econ & Epidemiol, Oxford, Oxon, England
[4] Univ Groningen, Univ Med Ctr Groningen, Inst Sci Hlth Aging & healthcaRE SHARE, Groningen, Netherlands
[5] Univ Groningen, Univ Med Ctr Groningen, Dept Epidemiol, Groningen, Netherlands