1. Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Republic of Korea.
2. Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, California.
3. David Geffen School of Medicine at UCLA, Los Angeles, California.
4. Laboratory Animal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, Republic of Korea.