Department of Orofacial Pain and Dysfunction, Academic Centre for Dentistry Amsterdam, University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Department of Oral and Maxillofacial Surgery, Amsterdam University Medical Centre, Academic Medical Center (AMC), and Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands

Department of Oral and Maxillofacial Surgery, Tjongerschans Hospital, Heerenveen, The Netherlands