DE VOCHT AMR: Depression Expertise Center, Pro Persona Mental Health Care, Nijmegen, The Netherlands; WITTEMAN: Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands; DE VOCHT F: Population Health Sciences, Bristol Medical School, University of Bristol. Bristol, United Kingdom, and NIHR Applied Research Collaboration West (NIHR ARC West); SPIJKER: Depression Expertise Center, Pro Persona Mental Health Care, and Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands

The authors declare no conflicts of interest.

Please send correspondence to: Anneke M.R. de Vocht, MSc, Pro Persona Mental Health Care, Panovenlaan 25, Nijmegen 6525 DZ, The Netherlands (e-mail: [email protected]).