Hamamatsu South Hospital Center for Gastroenterology and IBD Research;
Department Endoscopic and Photodynamic Medicine;
Hamamatsu University;
Hamamatsu;
Japan;
Hamamatsu Medical Centre Hamamatsu;
Japan;
Seirei General Hospital Hamamatsu;
Japan;
Department Endoscopic and Photodynamic Medicine Hamamatsu University;
Hamamatsu;
Japan;
Hamamatsu Rosai Hospital Hamamatsu;
Japan;
Fujueda General Hospital Fujieda;
Japan;
Hamamatsu Insurance Hospital Hamamatsu;
Japan Immunoresearch Laboratories Takasaki;
Japan;
Yasuhiko Maruyama Fujueda General Hospital;
Fujieda;
Japan;