1. Associate Professor, Wind Engineering Research Center, College of Civil Engineering, Hunan Univ., Changsha 410082, Hunan, P.R. China (corresponding author).
2. Professor, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hum Hong, Kowloon, Hong Kong.
3. Professor, Director of Wind Engineering Research Center, College of Civil Engineering, Hunan Univ., Changsha 410082, Hunan, P.R. China.
4. Associate Professor, School of Civil Engineering and Architecture, Central South Univ., Hunan, China.