1. Department of Oral Medicine Academic Center of Dentistry Amsterdam (ACTA) Amsterdam The Netherlands
2. Department of Oral and Maxillofacial Surgery Academic UMC University of Amsterdam Amsterdam The Netherlands
3. Department Medicine Information Centre Royal Dutch Pharmacists Association (KNMP) Den Haag The Netherlands
4. Department of Oral and Maxillofacial Surgery University Medical Center Groningen University of Groningen Groningen The Netherlands