1. Department of Internal Medicine, University of California Davis Medical Center, Sacramento, California.
2. Institute for Regenerative Cures, University of California Davis Medical Center, Sacramento, California.
3. College of Animal Science and Technology, Sichuan Agricultural University, Ya'an, China.
4. School of Biotechnology, Southern Medical University, Guangzhou, China.
5. Department of Internal Medicine, Korea Institute of Radiological & Medical Sciences, Seoul, Korea.
6. Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea.
7. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
8. Department of Pathology and Medicine, Beth Israel Medical Center, Albert Einstein College of Medicine, New York, New York.
9. Department of Dermatology, University of California Davis Medical Center, Sacramento, California.