1. The Procter & Gamble Company, Temselaan 100, 1853 Strombeek-Bever, Belgium
2. Department of Civil, Computer Science and Aeronautical Technologies Engineering, Roma Tre University, Via Vito Volterra 62, 00146 Rome, Italy
3. Department of Chemical Engineering, Universitat Rovira i Virgili, Avda Paisos Catalans 26, 43007 Tarragona, Spain