Authors: In Young Jung; Hea Won Ann; Jung Ju Kim; Se Ju Lee; Jinnam Kim; Hye Seong; Dong Hyun Oh; Yong Chan Kim; Eun Jin Kim; Su Jin Jeong; Nam Su Ku; Jun Yong Choi; Young Goo Song; June Myung Kim Journal: Medicine (Baltimore) Date: 2017-03 Impact factor: 1.889