1. Dr. Jean-Pierre T.F. Ho, MD, DDS 2. Dentistry (Dentistry Academic Center of Dentistry Amsterdam (ACTA)), Medicine (Vrije Universiteit Amsterdam), Dept. of Oral & Maxillofacial surgery, Academic Centre of Dentistry Amsterdam (ACTA), University of Amsterdam, Amsterdam, The Netherlands 3. -Dept. of Oral & Maxillofacial Surgery Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands -Dept. of Oral & Maxillofacial Surgery, Academic Centre of Dentistry Amsterdam (ACTA), University of Amsterdam, Amsterdam, The Netherlands -Dept. of Oral & Maxillofacial Surgery, Northwest Clinics, Alkmaar, The Netherlands -Dept. of Oral & Maxillofacial Surgery, Dijklander Hospital, Hoorn, The Netherlands 4. Obstructive sleep apnea, implantology 5. Member of the multidisciplinary team in Amsterdam, sleep related breathing disorders treatment.