title: Successful peroral endoscopic myotomy for radical treatment of sigmoid-type esophageal achalasia by Greek gastroenterologists.
authors.affiliation: 1 Propedeutic Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki (Nikolas Eleftheriadis, Andreas Protopapas, Apostolos I. Hatzitolios).
authors.forename: Nikolas
authors.initials: N
authors.lastname: Eleftheriadis
authors.affiliation: 1 Propedeutic Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki (Nikolas Eleftheriadis, Andreas Protopapas, Apostolos I. Hatzitolios).
authors.forename: Andreas
authors.initials: A
authors.lastname: Protopapas
authors.affiliation: Gastroenterology Unit of Athens (John Katsogridakis), Greece.
authors.forename: John
authors.initials: J
authors.lastname: Katsogridakis
authors.affiliation: 1 Propedeutic Department of Internal Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki (Nikolas Eleftheriadis, Andreas Protopapas, Apostolos I. Hatzitolios).
authors.forename: Apostolos I
authors.initials: AI
authors.lastname: Hatzitolios