T. KissJ. WittensteinC. BeckerK. BirrG. CinnellaE. CohenM. R. El TahanL. F. FalcãoC. GregorettiM. GranellT. HachenbergM. W. HollmannR. JankovicW. KarzaiJ. KrasslerT. LoopM. J. LickerN. MarczinG. H. MillsM. T. MurrellV. NeskovicZ. Nisnevitch-SavareseP. PelosiR. RossaintM. J. SchultzA. Serpa NetoP. SevergniniL. SzegediT. VeghG. VoyagisJ. ZhongM. Gama De AbreuM. SenturkFudan University Shanghai Cancer CenterOspedale Policlinico San MartinoImam Abdulrahman Bin Faisal universityMedizinische Fakultät und Uniklinikum MagdeburgUniversity of NišVojnomedicinska AkademijaCentre Hospitalier Universitaire de CharleroiPanepistimion PatronSotiria General HospitalDresden University Faculty of Medicine and University Hospital Carl Gustav CarusUniversität Freiburg im BreisgauUniversità degli Studi di GenovaHarefield HospitalSemmelweis EgyetemUniversità degli Studi di FoggiaZentralklinik Bad BerkaUniversità degli Studi di PalermoHospital Israelita Albert EinsteinImperial College LondonUniversidade Federal de Sao PauloHospital General Universitario de ValenciaMahidol UniversityIstanbul Üniversitesi Tıp FakültesiHôpitaux universitaires de GenèveFudan UniversityUniversità degli Studi dell'InsubriaThe Mount Sinai HospitalDebreceni EgyetemUniversiteit van AmsterdamUniversity of SheffieldAmsterdam UMC - University of AmsterdamUniklinik RWTH AachenThoracic Center CoswigWeill Cornell MedicinePenn State HersheyOutcomes Research Consortium2020-01-272020-01-272019-05-08Trials. Vol.20, No.1 (2019)174562152-s2.0-85065483542https://repository.li.mahidol.ac.th/handle/20.500.14594/51646© 2019 The Author(s). After publication of the original article [1], the authors have notified us that two of the collaborator first and last names have been inverted in the "PROTHOR Investigators" table. The correct information is: Surname: Spadaro Name: Savino Surname Vitali Name Costanza The original article has been corrected.Mahidol UniversityMedicineCorrection to: Protective ventilation with high versus low positive end-expiratory pressure during one-lung ventilation for thoracic surgery (PROTHOR): Study protocol for a randomized controlled trial (Trials (2019) 20: 213 DOI: 10.1186/s13063-019-3208-8)ErratumSCOPUS10.1186/s13063-019-3371-y