Endoscopic submucosal dissection and submucosal tunneling endoscopic resection of gastric subepithelial tumors originating from the muscle layer. A multicenter retrospective study - Dimitriadis, S; Papaefthymiou, A; Zachou, M; Adrisani, G; Tribonias, G; Galasso, D; Elkholy, S; Khare, S; Leroux, J; Benites Goñi, H E; Seewald, S; Pham, KD C; Rosón Rodriguez, P; Madkour, A; Sferrazza, S; Shehab, H; Sundaram, S; Ciocîrlan, M; Fouly, A; Calderón, L M; Cruz, P B; Hagag, H; El-Sherbiny, M; Essam, K; Maresca, R; Varghese, J; Barbaro, F; Spada, C; Marasco, M; Francesco, D M; Mavrogenis, G (Endoscopy, 2025)