1. Department of Chemistry City University of Hong Kong Hong Kong SAR China
2. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics National Center for Magnetic Resonance in Wuhan Key Laboratory of Magnetic Resonance in Biological Systems Wuhan Institute of Physics and Mathematics Innovation Academy for Precision Measurement Science and Technology Chinese Academy of Sciences Wuhan 430071 China
3. Department of Mechanical Engineering City University of Hong Kong Hong Kong SAR China
4. Department of Science School of Science and Technology The Open University of Hong Kong Hong Kong SAR China
5. City University of Hong Kong Shenzhen Research Institute Shenzhen 518057 China