1. Department of Laboratory Medicine; Myongji Hospital; Goyang Korea
2. Division of Human Blood Safety Surveillance; Korea Centers for Disease Control and Prevention; Osong Korea
3. Armed Forces Medical Research Institute; Daejeon Korea
4. Department of Nursing; Konyang University College of Nursing; Daejeon Korea
5. Division of Infectious Disease Surveillance; Korea Centers for Disease Control and Prevention; Osong Korea