Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 습관일까? 방치하기 쉬운 틱장애 증상과 치료법 / YTN. That video is uploaded by YTN at 2015-12-11T18:08:37-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [OZK62w99WRo]