1. College
of Sciences, Shanghai University, 99 Shangda Road, Shanghai 200444, China
2. Division of Functional Materials and Nano Devices, Ningbo Institute of Materials Technology & Engineering, & Key Laboratory of Magnetic Materials and Devices, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China
3. Department
of New Drug Development, School of Medicine, Inha University, Incheon 400-712, South Korea