1. Visiting Clinician, Division of Orthodontics, Dental Specialties, Mayo Clinic, Rochester, Minnesota, and a PhD Student in the Department of Orthodontics, School of Dentistry, University of Copenhagen, Denmark.
2. Department of Surgery, Division of Oral and Maxillofacial Surgery, Mayo Clinic, and Senior Registrar at the Department of Oral and Maxillofacial Surgery, Länssjukhuset, Halmstad, Sweden.
3. Department of Genetics and Mayo Medical School.
4. Department of General Surgery, Division of Oral and Maxillofacial Surgery, Mayo Clinic, and Mayo Medical School.