In the article, “Assessment of a 2D electronic portal imaging devices-based dosimetry algorithm for pretreatment and in-vivo midplane dose verification”, published as elocation ID 171, in vol. 5 of Advanced Biomedical Research,[1] the article title is incorrectly written as “Assessment of a 2D electronic portal imaging devices-based dosimetry algorithm for pretreatment and in-vivo midplane dose verification”. The title of the article should read correctly as: Assessment of a 2D EPID-based dosimetry algorithm for pretreatment and in-vivo midplane dose verification.The article title in the “How to cite this article” section is incorrectly written. The “How to cite this article” section should read correctly as: Jomehzadeh A, Shokrani P, Mohammadi M, Amouheidari A, Mans A, Mijnheer B. Assessment of a 2D EPID-based dosimetry algorithm for pretreatment and in-vivo midplane dose verification. Adv Biomed Res 2016;5:171.The names of two authors and their affiliations are missing. The missing author names are “Anton Mans” and “Ben Mijnheer” and their affiliation is “Department of Radiation Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands”.The affiliations of the authors “Ali Jomehzadeh”, “Mohammad Mohammadi” and “Alireza Amouheidari” are written incorrectly.The author names in order and their affiliations should be read correctly as follows:Ali Jomehzadeh1,2,3, Parvaneh Shokrani1, Mohammad Mohammadi4, Alireza Amouheidari5, Anton Mans3, Ben Mijnheer31Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, 2Department of Medical Physics, School of Medicine, Kerman University of Medical Sciences, Kerman, 4Department of Medical Physics, School of Medicine, Hamadan University of Medical Sciences, Hamadan, 5Department of Radiation Oncology, Isfahan Milad Hospital, Isfahan, Iran, 3Department of Radiation Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands.