a
Biosystems Data Analysis, Swammerdam Institute for Life Sciences, University of Amsterdam, The Netherlands
E-mail: H.C.J.Hoefsloot@uva.nl
b
Department of Metabolic Diseases, University Medical Centre Utrecht, The Netherlands
c
Netherlands Metabolomics Centre, Leiden, The Netherlands
d
Kluyver Centre for Genomics of Industrial Fermentation, Biotechnology Department, Delft University of Technology, The Netherlands
e
Systems Bioinformatics, Centre for Integrative Bioinformatics, Free University of Amsterdam (VU), The Netherlands