1. Netherlands Institute for Health Services Research (Nivel), Utrecht, the Netherlands
2. Tranzo, Tilburg School of Social Sciences and Behavioral Research, Tilburg University, Tilburg, the Netherlands
3. Department of Plastic, Reconstructive and Hand Surgery, Zuyderland Medical Centre, Heerlen & Sittard, the Netherlands
4. Department of Plastic, Reconstructive and Hand Surgery, and GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, the Netherlands
5. Department of Plastic, Reconstructive and Hand Surgery, Medical Spectrum Twente, Enschede, the Netherlands
6. Department of Plastic and Reconstructive Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands