1. CEO, CitiLogics, 615 Madison Ave., Covington, KY 41011.
2. Associate Professor, Environmental Engineering Program, Dept. of Chemical and Environmental Engineering, Univ. of Cincinnati, 742 Engineering Research Center, P.O. Box 210012, Cincinnati, OH 45221-0012 (corresponding author).
3. CitiLogics, 615 Madison Ave., Covington, KY 41011.
4. Professor, College of Engineering, Mathematics, and Physical Sciences, Univ. of Exeter, Harrison Bldg., North Park Rd., Exeter EX4 4QF, U.K.
5. Professor, Dept. of Civil and Environmental Engineering, Water Distribution and Sewage Systems Research Center (CIACUA), Universidad de los Andes, Carrera 1 Este No. 19A-40, Bogotá 111711018, Colombia.
6. Professor, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, Adelaide, SA 5005, Australia.
7. Research Environmental Engineer, U.S. Environmental Protection Agency Office of Research and Development, 26 W. Martin Luther King Dr., Cincinnati, OH 45268.
8. Professional Engineer, Dept. of Civil Engineering, Univ. of Cape Town, Private Bag X3, Rondebosch 7701, South Africa.