Department of Diagnostic and Interventional Radiology University Hospital Ulm Ulm 89081 Germany;
Qinghai University Qinghai University Affiliated Hospital Xining Qinghai 810001 China;
Department of Diagnostic and Interventional Radiology University Hospital Ulm Ulm 89081 Germany;
Qinghai University Qinghai University Affiliated Hospital Xining Qinghai 810001 China;
Department of Internal Medicine I University Hospital Ulm Ulm 89081 Germany;
Institute of Pathology University Hospital Ulm Ulm 89081 Germany;
Department of General and Visceral Surgery University Hospital Ulm Ulm 89081 Germany;
Department of General and Visceral Surgery University Hospital Ulm Ulm 89081 Germany;
Department of Internal Medicine I University Hospital Ulm Ulm 89081 Germany;
Comprehensive Infectious Diseases Centre University Hospital Ulm Ulm 89081 Germany;