1. Therapeutic Endoscopic Ultrasound Group: TEUS TakatukiJapan
2. 2nd Department of Internal Medicine Osaka Medical College TakatukiJapan
3. Second Department of Internal Medicine Wakayama Medical University WakayamaJapan
4. Department of Gastroenterology and Hepatology Osaka‐Sayama Japan
5. Department of Gastroenterology and Hepatology Japanese Red Cross Society Wakayama Medical Center WakayamaJapan
6. Department of Gastroenterology Shinbeppu Hospital BeppuJapan
7. Department of Gastroenterology and Metabology Ehime University Graduate School of Medicine MatsuyamaJapan
8. Center for Liver‐Biliary‐Pancreatic Disease Matsuyama Red Cross Hospital MatsuyamaJapan
9. Department of Gastroenterology Oita Sanai Medical Center Oita Japan
10. Clinical Research Center Kindai University Faculty of Medicine Osaka‐SayamaJapan