There are multiple errors in the author byline. Please view the correct author order, affiliations, and citation here: Dmitry Pevni1,2, Zahi Aizer2, Rephael Mohr1,2, Nahum Nesher1,2, Amir Kremer1,2, Yosef Paz1,2, Nadav Taih1,2, Yanai Ben-Gal1,2 1 Department of Cardiothoracic Surgery Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel, 2 Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel Pevni D, Aizer Z, Mohr R, Nesher N, Kremer A, Paz Y, et al. (2018) Are two internal thoracic grafts better than one in patients with chronic obstructive lung disease? Analysis of 387 cases between 1996–2011. PLoS ONE 13(8): e0201227. https://doi.org/10.1371/journal.pone.0201227.