1. Department of Oral and Maxillofacial Surgery; Academic Medical Center of Amsterdam; University of Amsterdam; Amsterdam The Netherlands
2. Department of Oral and Maxillofacial Surgery and Special Dental Care; University Medical Center Utrecht; Utrecht University; Utrecht The Netherlands
3. Department of Oral Kinesiology; Academic Centre for Dentistry Amsterdam (ACTA); University of Amsterdam and Vrije Universiteit Amsterdam; Amsterdam The Netherlands