1. College of Life and Health Sciences, Northeastern University, Shenyang, P.R. China
2. Department of Tissue Culture, Liaoning University of Traditional Chinese Medicine, Shenyang, P.R. China
3. Key laboratory of Hebei Neurology, Hebei Medical University, Shijiazhuang, P.R. China
4. Institute of Cardiocerebrovascular Disease, Hebei Medical University, Shijiazhuang, P.R. China
5. College of Biology, Hunan University, Changsha, P.R. China
6. Shenzhen Institute, Hunan University, Shenzhen, P.R. China