1. Clinic of Orthodontics and Pediatric Dentistry; Center of Dental Medicine; University of Zurich; Zurich Switzerland
2. Private Practice; Bonn Germany
3. Department of Diagnosis and Surgery; School of Dentistry; UNESP Univ Estadual Paulista; Araraquara SP Brazil
4. Institute of Clinical Molecular Biology; Christian-Albrechts-University of Kiel; Kiel Germany
5. Department of Orthodontics; School of Dentistry; University of Bonn; Bonn Germany
6. Section of Experimental Dento-Maxillo-Facial Medicine; School of Dentistry; University of Bonn; Bonn Germany