Soo Youn Shin, Chun Kang, Jin Gwack, Joon Hyung Kim, Hyun Su Kim, Young A Kang, Ha Gyung Lee, Jin Seok Kim, Jong-Koo Lee, and Sung-Han Kim
Author affiliations: Author affiliations: Korea Centers for Disease Control and Prevention, Seoul, South Korea (S.Y. Shin, C. Kang, J. Gwack, J.H. Kim, H.S. Kim, Y.A. Kang, H.G. Lee, J.S. Kim, J.-K. Lee); University of Ulsan College of Medicine, Seoul (S.-H. Kim)
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