13. http://ncmh.go.kr [homepage on the Internet]. Seoul: National Center for Mental Health [cited 2016 May 30]. Available from: http://ncmh.go.kr/ncmh/board/boardView.do?no=8078&fno=106&bn=newsView&menu_cd=04_02_00_03&bno=&pageIndex=1&search_item=&search_content=