1. Department of General and Visceral Surgery, Zentralklinik Bad Berka, Bad Berka, Germany
2. Department of Pharmacology and Toxicology, Jena University Hospital, Jena, Germany
3. Stratifyer Molecular Pathology GmbH, Cologne, Germany
4. Department of Internal Medicine, Gastroenterology and Endocrinology, Zentralklinik Bad Berka, Bad Berka, Germany
5. Department of Molecular Radiotherapy and Molecular Imaging, Center for PET/CT, Zentralklinik Bad Berka, Bad Berka, Germany