1. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Centre for Magnetic Resonance, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, People’s Republic of China
2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
3. College of Life Sciences, Northwest University, Xi’an 710069, People’s Republic of China