1. Department of Civil Engineering, City College of New York, 160 Convent Avenue, New York, NY 10031
2. Deparment of Civil and Environmental Engineering, University of Tennessee, Knoxville, 851 Neyland Drive, Knoxville, TN 37996-2313
3. School of Business, College of Staten Island, 2800 Victory Boulevard, Staten Island, NY 10314
4. Transit, 5333 Avenue Casgrain, Suite 803, Montreal, Quebec H2T 1C2, Canada