1. Private Practice in Orthodontics , Saskatoon, SK , Canada
2. Department of Orthodontics, Hebrew University of Jerusalem, Hadassah Medical Center , Jerusalem , Israel
3. Multidisciplinary Department of Medical-Surgical and Dental Specialties, Universita degli Studi della Campania Luigi Vanvitelli , Naples , Italy
4. Institute of Odontology at Sahlgrenska Academy, University of Gothenburg , Gothenburg , Sweden
5. School of Dentistry, University of Alberta , Edmonton, AB , Canada