Media type: E-Article Title: Erratum to: Per-oral endoscopic myotomy (POEM): mid-term efficacy and safety Contributor: Martinek, Jan; Svecova, Hana; Vackova, Zuzana; Dolezel, Radek; Ngo, Ondrej; Krajciova, Jana; Kieslichova, Eva; Janousek, Radim; Pazdro, Alexander; Harustiak, Tomas; Zdrhova, Lucie; Loudova, Pavla; Stirand, Petr; Spicak, Julius imprint: Springer Science and Business Media LLC, 2018 Published in: Surgical Endoscopy Language: English DOI: 10.1007/s00464-017-5828-y ISSN: 0930-2794; 1432-2218 Keywords: Surgery Origination: Footnote: