1. Department of Operative Dentistry and Periodontology; Martin-Luther University Halle-Wittenberg; Halle; Germany
2. Department of Medicine III; Martin-Luther University Halle-Wittenberg; Halle; Germany
3. Department of Cardiothoracic Surgery; Martin-Luther University Halle-Wittenberg; Halle; Germany
4. Institute of Human Genetics and Medical Biology; Martin-Luther University Halle-Wittenberg; Halle; Germany