1. ; Food Biotechnology and Engineering, BioCentrum-DTU; Technical University of Denmark; Bldg. 221 DK-2800 Kgs. Lyngby Denmark
2. ; Danisco A/S; DK-8220 Brabrand Denmark
3. ; Department of Chemical Engineering; Technical University of Denmark; Bldg. 221 DK-2800 Kgs. Lyngby Denmark