1. Department of Veterinary Internal Medicine, College of Veterinary Medicine, Jeonbuk National University, Iksan 54596, Korea.
2. Department of Animal Hospital, Hanwoo (Korean indigenous cattle) Genetic Improvement Center, Nonghuyp Agribusiness Group Inc., Seosan 31948, Korea.
3. National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea.
4. Department of Veterinary Dermatology, College of Veterinary Medicine, Jeonbuk National University, Iksan 54596, Korea.