1. Department of Human Anatomy, Histology and Embryology, Chengdu Medical College, Chengdu City, Sichuan Province, China
2. Department of Biochemistry and Molecular Biology, School of Medicine, Shihezi University, Shihezi City, Xinjiang Province, China
3. Department of Biochemistry and Molecular Biology, Shihezi University School of Medicine (Branch College in Tarim University), Tarim University, Alaer City, Xinjiang Province, China.