1. Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Department of Internal Medicine, Division of Endocrinology, the Netherlands (N.M.N., C.M.W., C.J.M.d.B., L.J.G.G., M.d.H.).
2. Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Department of Medical Psychology, Amsterdam Public Health, the Netherlands (B.P.C.K.).