1. Department of Psychiatry and Neuropsychology, Maastricht University, 6200 MD Maastricht, The Netherlands
2. Van Everdingen Health Care Consultancy, 6132 TP Sittard, The Netherlands
3. Tangram Health Care Consultancy, 7006 CP Doetinchem, The Netherlands
4. Department of Primary and Community Care, Radboud University Medical Centre, 6500 HB Nijmegen, The Netherlands
5. Mondriaan Mental Health Trust, 6401 CX Heerlen, The Netherlands