Following the publication of this article, after having re-examined our manuscript, an error was noted in the Acknowledgments section regarding the funding of our study. The Acknowledgments section should have appeared as follows: "This work was supported by grants from the Kanazawa Medical University (nos. C2014-3, C2015-1 and S2014-15), a grant from the Strategic Research Project (no. H2012-16 [S1201022]) from Kanazawa Medical University, Ministry of Education, Culture, Sports, Science and Technology, Japan (KAKENHI no. #25460376) and from the Sumitomo Science Foundation in Japan. We apologize to our funders for this error, and regret any confusion this may have caused. [the original article was published in the Molecular Medicine Reports 14: 655-660, 2016; DOI: 10.3892/mmr.2016.5331].