1. Dr., Dipl.-Eng., Honorary Prof., Founding Director of the PBL Lab, Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305, PH (650) 725-1549, FAX: (650-723-4806), USA;
2. Lecturer, Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305, PH (650) 725-1549, FAX: (650-723-4806), USA;
3. Ph.D. Candidate, Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305, PH (650) 725-1549, FAX: (650-723-4806), USA;