Regensburg University Hospital, Polyclinic for Prosthetic Dentistry, Franz-Josef-Strauß-Allee 11, D-93053 Regensburg: Prof. Dr. Michael Behr
Regensburg University Hospital, Polyclinic for Orthodontics, Franz-Josef-Strauß-Allee 11, 93053 Regensburg: Prof. Dr. Jochen Fanghänel
Greifswald University...