1. Key Laboratory for Information Photonic Technology of Shaanxi Province & Key Laboratory for Physical Electronics and Devices of the Ministry of Education, School of Electronics Science and Technology, Faculty of Information and Electronics Engineering, Xi’an Jiaotong University, Xi’an 710049, Shaanxi, P. R. China
2. Department of Pharmacology, School of Basic Medical Science, Xi’an Medical University, Xi’an 710021, Shaanxi, P. R. China