1. Associate Professor, Depts. of Ocean/Civil and Environmental Engineering, Univ. of Rhode Island, Narragansett, RI 02882. E-mail: baxter@oce.uri.edu
2. Assistant Professor, Dept. of Civil Engineering, Merrimack College, North Andover, MA 01845. E-mail: aaron.bradshaw@merrimack.edu
3. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Michigan, Ann Arbor, MI 48109. E-mail: rugreen@engin.umich.edu
4. Professor, Geotechnical Engineering Institute, Tianjin Univ., Tianjin, P. R. China 300072. E-mail: tdwjh@eyou.com