1. Dr, Deputy Chief Engineer, China Railway Eryuan Engineering Group Co. Ltd, Chengdu, People’s Republic of China
2. PhD Candidate, Southwest Jiaotong University, Chengdu, People’s Republic of China
3. Dr, Senior Engineer, Southern Sichuan Intercity Railway Co. Ltd, Zigong, People’s Republic of China
4. Dipl. Ing, Leonhardt- Andrä und Partner VBI AG, Stuttgart, Germany