Rene H.Wijffels
Food and Bioprocess Engineering Group
Wageningen University
P.O. Box 8129
6700 EV Wageningen
The Netherlands
John M.Woodley
The Advanced Centre for Biochemical Engineering
University College London
Torrington Place
London WC1E 7JE
UK
†Jindřich Zahradnik
Institute of Chemical Process Fundamentals
Academy of Sciences of the Czech Republic
Rozvojová 135
165–02 Prague, 6-Suchdol
Czech Republic