Authors
Iosif Sifakakis
Department of Orthodontics, National and Kapodistrian University of Athens, Athens, Greece
Margarita Makou
Department of Orthodontics, National and Kapodistrian University of Athens, Athens, Greece
Theodore Eliades
Department of Orthodontics, Aristotle University of Thessaloniki, Thessaloniki, Greece
Christoph Bourauel
the School of Dentistry, Rheinische Friedrich-Wilhelms University of Bonn, Bonn, Germany