1. China-US (Henan) Hormel Cancer Institute, Zhengzhou, Henan 450008, China
2. The Hormel Institute, University of Minnesota, Austin, MN 55912, USA
3. The Pathophysiology Department, The School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450008, China
4. The Affiliated Cancer Hospital, Zhengzhou University, Zhengzhou, Henan, China
5. The Collaborative Innovation Center of Henan Province for Cancer Chemoprevention, Zhengzhou, China
6. College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 534-729, Republic of Korea
7. Center for Laboratory Animal Resources, School of Animal Biotechnology, Kyungpook National University, Dae-gu 700-842, Republic of Korea