1. Dorly J. H. Deeg, Emiel O. Hoogendijk, Maaike van der Noordt, and Martijn Huisman are with the Department of Epidemiology and Biostatistics, VU University Medical Centre, Amsterdam, the Netherlands. Hannie C. Comijs is with the Department of Psychiatry, GGZinGeest, Amsterdam. Martijn Huisman is also with the Department of Sociology, Faculty of Social Sciences, VU University. All of the authors are with the VU University Medical Center and the Amsterdam Public Health Research Institute, Amsterdam.