1. Biological and Agricultural Engineering, Louisiana State University and A&M College, 149 E.B. Doran Building, Baton Rouge, Louisiana 70803, United States
2. Department of Analytical Chemistry, Connecticut Agricultural Experiment Station, 123 Huntington Street, New Haven, Connecticut 06504, United States
3. Civil and Environmental Engineering, University of Houston, 4726 Calhoun Road, N123 Engineering Building 1, Houston, Texas 77204, United States
4. Biological and Agricultural Engineering, Louisiana State University, 141 E.B. Doran Building, Baton Rouge, Louisiana 70803, United States