Authors: Khurshid Ahmed; Myung Ho Jeong; Rabin Chakraborty; Sumera Ahmed; Young Joon Hong; Doo Sun Sim; Keun Ho Park; Ju Han Kim; Youngkeun Ahn; Jung Chaee Kang; Myeong Chan Cho; Chong Jin Kim; Young Jo Kim Journal: Korean Circ J Date: 2012-12-31 Impact factor: 3.243