1. School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
2. Department of Gastroenterology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo, Zhejiang 315040, P.R. China
3. Department of Cell Biology, Logistics University of Chinese Armed Police Forces, Tianjin 300309, P.R. China