1. Endocrine Surgery, Clinic of General and Abdominal Surgery, University Medical Center, Gutenberg University Mainz, Mainz, Germany.
2. Department of Nuclear Medicine, University Medical Center, Gutenberg University Mainz, Mainz, Germany.
3. Division of Endocrinology and Metabolic Diseases, University Medical Center, Gutenberg University Mainz, Mainz, Germany.
4. Institute of Pathology, University Medical Center, Gutenberg University Mainz, Mainz, Germany.
5. Department of Radiology, University Medical Center, Gutenberg University Mainz, Mainz, Germany.