Department of Gastroenterology;
Moriguchi Keijinkai Hospital;
Moriguchi;
Osaka 570-0021;
Japan;
Department of Gastroenterology;
Osaka Saiseikai Nakatsu Hospital;
Osaka 530-0012;
Japan;
Murotani Clinic;
Kadoma;
Osaka 571-0008;
Japan;
Majima Clinic;
Neyagawa;
Osaka 572-0084;
Japan;
Morikawa Clinic;
Hirakata;
Osaka 573-0058;
Japan;
Hashimoto Clinic;
Moriguchi;
Osaka 570-0079;
Japan;
Kiyota Clinic;
Matsubara;
Osaka 580-0004;
Japan;
Department of Gastroenterology;
Arisawa General Hospital;
Hirakata;
Osaka 573-1195;
Japan;
Amemoto Clinic;
Moriguchi;
Osaka 570-0021;
Japan;
Isowa Clinic;
Neyagawa;
Osaka 572-0062;
Japan;
Mii Clinic;
Neyagawa;
Osaka 572-0019;
Japan;