1. Dept. of Civil and Environmental Engineering, Hong Kong Univ. of Science and Technology, Hong Kong, China.
2. Dept. of Civil and Environmental Engineering, Hong Kong Univ. of Science and Technology, Hong Kong, China; HKUST Shenzhen Research Institute, Shenzhen, China; HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute, Futian, Shenzhen, China.