1. Section of Oral Radiology; Department of General and Specialized Dentistry; Academic Center for Dentistry Amsterdam (ACTA); Amsterdam The Netherlands
2. Department of General Dental Practice and Oral & Maxillofacial Imaging; Faculty of Dentistry; University of Malaya; Kuala Lumpur Malaysia
3. Section of Implantology and Prosthetic Dentistry; Department of Oral Function and Restorative Dentistry; Academic Center for Dentistry Amsterdam (ACTA); Amsterdam The Netherlands