| Byline | So Young Kim1,3, Byong Yong Yi1, Eun Kyung Choi1, Jong Hoon Kim1, Seung Do Ahn1,  HS Chang1,  Wee Saing Kang2,  Koan Sik Joo3, , Univ. of Ulsan, Asan Medical Center, Seoul, , KR, Asan Medical Center, University of Ulsan, Seoul, , KR, Seoul National University Hospital, Dept. of Physics, Univ. of Myongji 
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