American Society for Gastrointestinal Endoscopy standards for fellowship training in peroral endoscopic myotomy. - Thompson CC; Khashab MA; Stavropoulos SN; Al-Haddad MA; Bang JY; Bazarbashi AN; Chan WW; Chua TY; Dacha S; Fukami N; Hall M; Hwang JH; et al. (Gastrointestinal endoscopy, 2026)