1. Erasmus School of Health Policy and Management, Erasmus University Rotterdam, 3062 PA Rotterdam, The Netherlands
2. Department of Primary and Community Care, Radboud Institute for Health Sciences, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
3. Erasmus Choice Modelling Centre, Erasmus University Rotterdam, 3062 PA Rotterdam, The Netherlands
4. Institute for Medical Technology Assessment, Erasmus University Rotterdam, 3062 PA Rotterdam, The Netherlands