1. Life Sciences, Centrum voor Wiskunde en Informatica, 1098 XG Amsterdam, The Netherlands (T.R.M.); BioSolar Cells, 6700 AB Wageningen, The Netherlands (T.R.M.)
2. Systems Bioinformatics, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands (T.R.M., J.B., F.J.B., B.T.); and
3. Kluyver Centre for Genomics of Industrial Fermentation/Netherlands Consortium for Systems Biology, P.O. Box 5057, 2600 GA Delft, The Netherlands (F.J.B., B.T.)