After the publication of the article, the authors retrospectively noticed that the first author affiliation was incorrectly split across three affiliations for the various parts of the same address. The correct author list (and affiliations) should therefore have been published as follows: Fengting Liu1, Lili Li1, Yanxia Li2, Xiaofang Ma3, Xiyun Bian2, Xiaozhi Liu2, Guowen Wang1* and Dianying Zhang3* 1Department of Bone and Soft Tissue Tumors, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060; 2Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin 300450; 3Department of Trauma and Orthopedics, Peking University People's Hospital, Beijing 100044, P.R. China The authors regret that this error was allowed to remain in the published paper, and apologize for any inconvenience caused. [the original article was published in International Journal of Oncology 53: 2010‑2020, 2018; DOI: 10.3892/ijo.2018.4537].