1. Department
of Chemical Engineering, University of Michigan, 2800 Plymouth Road, Ann Arbor, Michigan 48109, United States
2. Modeling and Simulation, The Procter & Gamble Company, 8611 Beckett Road, West Chester, Ohio 45069, United States
3. Personal Cleansing, Research & Development, The Procter & Gamble Company, Sharonville, Ohio 45241, United States
4. Analytic Sciences, The Procter & Gamble Company, Mason, Ohio 45040, United States