Department of Internal Medicine;
Isesaki Municipal Hospital;
Isesaki;
Gunma 372-0817;
Japan;
Department of Medicine and Molecular Science;
Gunma University Graduate School of Medicine;
Maebashi;
Gunma 371-8511;
Japan;
Department of Diagnostic Radiology and Nuclear Medicine;
Gunma University Graduate School of Medicine;
Maebashi;
Gunma 371-8511;
Japan;