Wenxin Zheng is a professor in the Department of Pathology & Department of Obstetrics and Gynecology of University of Texas Medical Center, US. Dr. Zheng is also the Mark and Jane Gibson Distinguished Professor in cancer research in the same institution. Dr. Oluwole Fadare is a professor of pathology and the director of surgical pathology at University of California San Diego, US. Dr. Charles Quick is an associate professor of pathology and the director of anatomic pathology subspecialty practice and gynecologic pathology at the University of Arkansas for Medical Sciences in Little Rock, US. Dr. Danhua Shen is a professor and the chairman at Department of Pathology of Peking University People's Hospital, China. Dr. Donghui Guo is a chief pathologist at Department of Pathology, Tianjin Gynecologic and Obstetrics Central Hospital, China.