1. Research Scientist, Department of Orthodontics, Institute of Odontology, Sahlgrenska Academy at University of Gothenburg, Sweden
2. Research Fellow, Department of Oral and Maxillofacial Radiology, Institute of Odontology, Sahlgrenska Academy at University of Gothenburg, Sweden
3. Professor, Department of Oral and Maxillofacial Radiology, Institute of Odontology, Sahlgrenska Academy at University of Gothenburg and Institute for Postgraduate Dental Education, Jönköping, Sweden
4. Associate Professor, Department of Orthodontics, University Clinics of Odontology, Gothenburg, Sweden