1. State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, National Center for Magnetic Resonance in Wuhan, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Hubei 430071, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Department of Reproductive Medicine General Hospital of Central Theater Command of the People’s Liberation Army, Wuhan, Hubei 430061, China
4. Optics Valley Laboratory, Wuhan,Hubei 430074, China