**Meet the editor**

Dr. Chai received his PhD degree from the City University of New York in 1998 and completed his postdoctoral training at Harvard University in 2001. Then he served the Department of Veterans Affairs of the United States as a Principal Investigator (2002–2016), in affiliation with the School of Medicine, University of California, in Irvine. Currently, he is a professor at Baotou Med-

ical College, Inner Mongolia University of Science and Technology. He has published dozens of research articles on various subjects including zoology, cardiovascular biology, gastroenterology, and cancer biology. In addition, he holds membership with AGA, AHA, ASBMB and other professional organizations, has served on the editorial board of multiple journals, and has also been a solicited reviewer for national and international funding agencies.
