1. Department of Physics Department of Materials Science and Engineering, and Department of Biomedical Engineering City University of Hong Kong Tat Chee Avenue Kowloon Hong Kong 999077 China
2. Center for Human Tissues and Organs Degeneration Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 China
3. School of Nuclear Science and Technology and CAS Key Laboratory of Geospace Environment University of Science and Technology of China Hefei 230026 China
4. Shanghai Tenth People's Hospital School of Medicine Tongji University Shanghai 200072 China