Colonic Diseases, Functional

• Stanford University — Stanford, California, United States

• West Virginia University- Gastroenterology and Hepatology — Morgantown, West Virginia, United States

• Taipei Veterans General Hospital — Taipei, Taiwan

• Faculty of physical therapy — Giza, Dokki, Egypt

• Center of New Medical Technologies — Novosibirsk, Novosibirsk Oblast, Russia

• Nisreen Ashraf Helmy — Cairo, Egypt

• Faculty of Medicine Siriraj Hospital, Mahidol University — Bangkok Noi, Bangkok, Thailand

• Department of Pharmaceutical Botany, Univeristy of Medicine and Pharmacy "Iuliu Hațieganu", 23 Gheorghe Marinescu Street, 3rd Floor, Cluj-Napoca, Romania — Cluj-Napoca, Romania

Not specified

• NYU Langone Health — New York, United States