1. DEPARTMENT OF INTERNAL MEDICINE II (GASTROENTEROLOGY, ENDOCRINOLOGY), THURINGIA CLINIC “GEORGIUS AGRICOLA”, SAALFELD/SAALE, GERMANY
2. DEPARTMENT OF INTERNAL MEDICINE I (PNEUMOLOGY), THURINGIA CLINIC “GEORGIUS AGRICOLA”, RAINWEG, SAALFELD/SAALE, GERMANY
3. DEPARTMENT OF RADIOLOGY, THURINGIA CLINIC “GEORGIUS AGRICOLA”, SAALFELD/SAALE, GERMANY