Christian Beyer a, Helmut Klaus b, Michael Vieth c, Bernhard Manger a, Georg Schett a, Jochen Zwerina a, ⁎, d
a Department of Internal Medicine III and Institute for Clinical Immunology, University of Erlangen-Nuremberg, Krankenhausstrasse 12, 91054, Erlangen, Germany
b Dental Practice, Bayreuth, Germany
c Institute of Pathology, Hospital Bayreuth, Bayreuth, Germany
d Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, 1st Medical Department, Hanusch Hospital, Vienna, Austria