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