1. Department of Veterinary Physiology, College of Veterinary Medicine, Seoul National University, Seoul, South Korea.
2. Department of Medical Research, Korean Institute of Oriental Medicine, Daejeon, South Korea.
3. Department of Pharmacology, Institute for Medical Science, Chonbuk National University Medical School, Jeonju, South Korea.
4. Hormone Research Center and College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea.
5. Department of Acupuncture and Moxibustion, College of Oriental Medicine, Kyung-Hee University, Seoul, South Korea.
6. Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN.