| Institution: | 1. Clinic of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str. 3, Haus 26, 24105 Kiel, Germany;2. Institute of Cancer Epidemiology e.V., University Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany;3. Clinic of Prosthodontics, Propaedeutics and Dental Materials, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str.3, Haus 26, 24105 Kiel, Germany;4. Institute of Social Medicine and Epidemiology, University Hospital of Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany;1. Children''s Health Services Research, Indianapolis, Ind;2. Pediatric and Adolescent Comparative Effectiveness Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Ind;3. Regenstrief Institute Inc, Indianapolis, Ind |
