"As the controversy grew, Mayor Lee notified Gachon University of his intention to "return his self" to the effect that he did not want to be embroiled in unnecessary controversy due to plagiarism but unnecessary political motives on Jan. 3, 2014.In response, the research ethics committee of Gachon University decided on February 24 of that year that there was no real benefit to conduct the main investigation and notified the graduate school of the cancellation of the degree.