[1] Univ Groningen, Univ Med Ctr Groningen, Dept Endocrinol, Hanzepl 1, NL-9713 GZ Groningen, Netherlands
[2] Univ Groningen, Univ Med Ctr Groningen, Dept Clin Pharm & Pharmacol, NL-9713 GZ Groningen, Netherlands
[3] Univ Groningen, Univ Med Ctr Groningen, Dept Epidemiol, NL-9713 GZ Groningen, Netherlands
[4] Radboud Univ Nijmegen Med Ctr, Dept Internal Med, NL-6525 GA Nijmegen, Netherlands
[5] Erasmus MC, Dept Endocrinol, NL-3015 GD Rotterdam, Netherlands
[6] Amsterdam Univ Med Ctr Locat VUmc, Dept Internal Med, Sect Endocrinol, NL-1117 HV Amsterdam, Netherlands
[7] Leiden Univ Med Ctr, Dept Internal Med, Div Endocrinol, NL-2333 ZA Leiden, Netherlands
[8] Univ Amsterdam, Amsterdam Univ Med Ctr Locat AMC, Dept Internal Med, Sect Endocrinol, NL-1105 AZ Amsterdam, Netherlands
[9] Maxima Med Ctr, Dept Internal Med, NL-5504 DB Eindhoven, Netherlands
[10] Maastricht Univ, CAPHRI Sch Publ Hlth & Primary Care Ageing & Long, NL-6229 HX Maastricht, Netherlands
[11] Maastricht Univ Med Ctr, Dept Internal Med, Div Gen Internal Med, NL-6229 HX Maastricht, Netherlands
[12] Erasmus MC, Dept Clin Chem, NL-3015 GD Rotterdam, Netherlands
[13] Univ Groningen, Groningen Res Inst Pharm, Dept Pharmacotherapy Epidemiol & Econ, NL-9713 GZ Groningen, Netherlands