On December 8, a rep from MBK Entertainment reported to Sports dongA, "CEO Kim Kwang Soo was transferred to the hospital after expressing chest pains. He's currently going through multiple examinations." It's explained that CEO Kim showed symptoms of myocardial infarction. Details of the exam results will be announced in the near future. 

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Currently, MBK Entertainment is the home to DIA, T-ara, Shannon, and more.