1. BZKG/BayKoll, University of Bayreuth, Gottlieb-Keim-Strasse 60, D-95448 Bayreuth, Germany
2. Shiseido Research Center, 2-2-1 Hayabuchi, Tsuzuki-ku, 224-8558 Japan
3. Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel