László Seper1
, Richárd Schwab2*
, Sirichai Kiattavorncharoen1,3*
, Andre Büchter1,4*
, Ágnes Bánkfalvi5,6*
, Ulrich Joos1*
, József Piffkó1*
and Birgit Kruse-Loesler1* 
1
Department of Cranio-Maxillofacial Surgery, University of Muenster, Waldeyerstr. 30, 48149 Muenster, Germany
2
Cooperative Research Center, Semmelweis University, POB 131, 1367 Budapest, Hungary
3
Department of Oral and Maxillo-Facial Surgery, Mahidol University, 6 Yothe Rd.Rajthevee, 10400 Bangkok, Thailand
4
Group practice Engelke, Büchter, Immenkamp, Hohenzollernring 10, 48145 Muenster, Germany
5
Gerhard-Domagk-Institute of Pathology, University of Muenster, Domagkstraße 17, 48149 Muenster, Germany
6
Departments of Pathology and Neuropathology, University of Duisburg-Essen Medical School, Hufelandstraße 55, 45122 Essen, Germany