1. Professor, Technical Univ. of Denmark, MEK, Coastal and River Engineering Section, Building 115, 2800 Lyngby, Denmark.
2. Research Fellow, Dept. of Civil and Structural Engineering, Nanyang Technological Univ., Nanyang Ave., Singapore 639798.
3. Assistant Professor, Dept. of Civil and Structural Engineering, Nanyang Technological Univ., Nanyang Ave., Singapore 639798.