1. Institute of Neuroscience, Department of Neurobiology, Key Laboratory of Medical Neurobiology of the Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University, School of Medicine, Hangzhou, Zhejiang 310058, P. R. China
2. State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, and the Collaborative Innovation Center for Brain Science, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China