¹Culture Collection of Antimicrobial Resistant Microbes, Department of Biology, Seoul Women's University, Seoul 139-774, Republic of Korea, ²Department of Bacteriology and Bacterial Infection Control, Laboratory of Bacterial Drug Resistance, Graduate School of Medicine, Gunma University, Maebashi, Gunma 371-8511, Japan, ³Department of Clinical Laboratory, Severance Hospital, Yonsei University, Seoul 120-749, Republic of Korea, ⁴Department of Veterinary Medicine, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Republic of Korea, ⁵Laboratory of Microbiology, College of Medicine, Kyungpook National University, Daegu 700-422, Republic of Korea¹Culture Collection of Antimicrobial Resistant Microbes, Department of Biology, Seoul Women's University, Seoul 139-774, Republic of Korea, ²Department of Bacteriology and Bacterial Infection Control, Laboratory of Bacterial Drug Resistance, Graduate School of Medicine, Gunma University, Maebashi, Gunma 371-8511, Japan, ³Department of Clinical Laboratory, Severance Hospital, Yonsei University, Seoul 120-749, Republic of Korea, ⁴Department of Veterinary Medicine, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Republic of Korea, ⁵Laboratory of Microbiology, College of Medicine, Kyungpook National University, Daegu 700-422, Republic of Korea

Corresponding author:  Yeonhee Lee , Tel: 82-2-970-5664,