1 Private practice of Orthodontics, Saint-Maurice, France. mailys.balteau@gmail.com.
2 Division of Public Health, Methodology and Biostatistics; University Hospitals of Strasbourg; Strasbourg, France.
3 Department of Dento-Facial Orthopedics, Faculty of Dental Surgery, University of Strasbourg. Private practice of Orthodontics in Strasbourg, Strasbourg, France.
4 Department of Dento-Facial Orthopedics, Faculty of Dental Surgery, University of Strasbourg, Strasbourg, France.