Affiliation: | 1. School of Dental Medicine, Department of Periodontology, Justus-Liebig University of Giessen, Giessen, Germany;2. Internal Medicine III–Endocrinology, Justus-Liebig University of Giessen, Giessen, Germany;3. Laboratory Medicine and Pathobiochemistry, Justus-Liebig University of Giessen, Giessen, Germany |