1 Endocrine Surgery, Clinic of General, Visceral- and Transplantation Surgery, University Medical Center University Mainz, Langenbeckstr. 1, 55131, Mainz, Germany.
2 Endocrinology and Metabolic Diseases, University Medical Center University Mainz, Langenbeckstr. 1, 55131, Mainz, Germany.
3 Institute of Pathology, University Medical Center University Mainz, Langenbeckstr. 1, 55131, Mainz, Germany.
4 Endocrine Surgery, Clinic of General, Visceral- and Transplantation Surgery, University Medical Center University Mainz, Langenbeckstr. 1, 55131, Mainz, Germany. musholt@uni-mainz.de.