1. Center for Research and Development of Education, University Medical Center, Utrecht, The Netherlands;
2. Department of Medical Education, Education Center, University Medical Center, Utrecht, The Netherlands;
3. Department of Dermatology, Bravis Hospital, Bergen op Zoom, The Netherlands;
4. Department of General Practice, Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, The Netherlands;
5. Department of Pathology, University Medical Center, Utrecht, The Netherlands