1. Faculty of Bioscience Engineering, BIOMATH, Dept. of Mathematical Modelling, Statistics and Bioinformatics; Ghent University; Coupure Links 653, Ghent 9000 Belgium
2. Process and Systems Engineering Center (PROSYS), Dept. of Chemical and Biochemical Engineering; Technical University of Denmark; Building 229, Lyngby 2800 Kgs Denmark
3. Dept. of Biotechnology; Chemical Center, Lund University; P.O. Box 124, Lund S-211 00 Sweden