From the Department of Psychiatry, Leiden University Medical Centre, Leiden, the Netherlands (A.K.B.v.R.D., E.J.G., T.v.V., F.G.Z., B.W.J.H.P.); Department of Psychiatry, VU University Medical Centre, Amsterdam, the Netherlands (B.W.J.H.P); and Department of Psychiatry, University Medical Centre Groningen, Groningen, the Netherlands (B.W.J.H.P).
Address correspondence and reprint requests to Arianne K.B. van Reedt Dortland, MSc, Department of Psychiatry, Leiden University Medical Centre, PO Box 9600, 2300 RC Leiden, the Netherlands. E-mail: [email protected].
The infrastructure for the NESDA study (www.nesda.nl) is funded through the Geestkracht program of the Netherlands Organisation for Health Research and Development (ZonMw, grant no. 10-000-1002) and is supported by participating universities and mental health care organizations (VU University Medical Centre; GGZ inGeest, Arkin; Leiden University Medical Centre; GGZ Rivierduinen; University Medical Centre Groningen, Lentis; GGZ Friesland; GGZ Drenthe; Scientific Institute for Quality of Health Care [IQ Healthcare]; Netherlands Institute for Health Services Research [NIVEL]; and Netherlands Institute of Mental Health and Addiction [Trimbos]). Data analyses were supported by NWO grant (VIDI 917.66.320; to Dr. Penninx).
Financial disclosures: All authors report no financial interests or potential conflicts of interest.
Received for publication January 5, 2012; revision received September 5, 2012.
