Department of General Medicine, Chiba University Hospital [Japan]
Hiraku Funakoshi [Japan]
Department of Emergency and Critical Care Medicine, Tokyo-bay Urayasu Ichikawa Medical Center [Japan] Department of Interventional Radiology, Tokyo-bay Urayasu Ichikawa Medical Center [Japan]
Masatomi Ikusaka [Japan]
Department of General Medicine, Chiba University Hospital [Japan]
