1. Hunan Provincial University Key Laboratory of the Fundamental and Clinical Research on Functional Nucleic Acid, Hunan Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, School of Nursing, Changsha Medical University, Changsha 410219, P. R. China
2. State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha 410081, P. R. China