1. Department
of Civil and Environmental Engineering, University of Iowa, 4105 Seamans Center, Iowa City, Iowa 52242, United States
2. Henry
B. Tippie School of Management, University of Iowa, 108 Pappajohn
Business Building, Suite 160, Iowa City, Iowa 52242, United States
3. Department
of Chemical and Biochemical Engineering, University of Iowa, 4133 Seamans Center, Iowa City, Iowa 52242, United States
4. Department
of Chemical and Environmental Engineering, University of California, Riverside A220 Bourns Hall, Riverside, California 92521, United States