1. Sedation Practitioner, Division of Anaesthesiology, Intensive Care and Emergency Medicine; University Medical Centre Utrecht; The Netherlands
2. Division of Anaesthesiology, Intensive Care and Emergency Medicine; University Medical Centre Utrecht; The Netherlands
3. Dentist, Department of Dentistry; Abrona Intramural Care Unit; Sterrenberglaan 6 Huis ter Heide The Netherlands
4. Clinical Professor, Department of Dentistry; Abrona Intramural Care Unit; Sterrenberglaan 6 Huis ter Heide The Netherlands