1. Department of Applied Mathematics, The Hong Kong Polytechnic University, Hong Kong, China
2. State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi'an Jiaotong University, Xi'an 710049, China
3. JC School of Public Health and Primary Care, Chinese University of Hong Kong, Hong Kong, China
4. CUHK Shenzhen Research Institute, Shenzhen, China