Curriculum for endoscopic submucosal dissection training in Europe: European Society of Gastrointestinal Endoscopy (ESGE) Position Statement 由 Pimentel-Nunes, P, Pioche, M, Albéniz, E, Berr, F, Deprez, P, Ebigbo, A, Dewint, P, Haji, A, Panarese, A, Weusten, B, Dekker, E, East, J, Sanders, D, Johnson, G, Arvanitakis, M, Ponchon, T, Dinis-Ribeiro, M, Bisschops, R