1. Department of Oral and Maxillofacial Radiology, Malmö University, Malmö, Sweden
2. Department of Oral & Maxillofacial Radiology, King Abdulaziz University, Jeddah, Saudi Arabia
3. Department of Orofacial Pain and Jaw Function, Malmö University, Malmö, Sweden
4. Specialized Pain Rehabilitation, Skåne University Hospital, Lund, Sweden
5. Section of Oral and Maxillofacial Radiology, Department of Clinical Dentistry, University of Bergen, Bergen, Norway