1. Division of Orthodontics, Dalhousie University, Staff Orthodontist and Chair, Cleft Palate Team, IWK Health Centre, Halifax, Nova Scotia, Canada.
2. Lancaster Cleft Palate Clinic, Department of Surgery, Penn State College of Medicine, 223 North Lime Street, Lancaster, Pennsylvania.
3. SickKids Hospital, Department of Orthodontics, University of Toronto, Toronto, Ontario, Canada.
4. Division of Orthodontics, College of Dentistry, The Ohio State University, 305 W. 12th Avenue, Postle Hall, Columbus, Ohio.
5. Craniofacial Center, Peyton Manning Children's Hospital at St. Vincent, Indianapolis, Indiana.
6. University of Oslo, Senior Lecturer in Craniofacial Anomalies, University of Manchester, Manchester, UK.
7. Orthodontics and Dentofacial Development, University of Manchester, Manchester, UK.