1College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Korea
2Animal Disease & Biosecurity Team, National Institute of Animal science, Rural Development Administration, Wanju 55365, Korea
3Laboratory of Veterinary Internal Medicine, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/