1. Analytical Biochemistry, Department of Pharmacy, University of Groningen, Groningen, The Netherlands, TNO, Quality of Life, Zeist, The Netherlands, Department of Neurology, Erasmus University Medical Center, Rotterdam, The Netherlands, Analytical BioSciences, Leiden/Amsterdam Centre for Drug Research, Leiden University, Leiden, The Netherlands, Netherlands Metabolomics Centre, Leiden/Amsterdam Centre for Drug Research, Leiden University, Leiden, The Netherlands, IBM TJ Watson Research Centre, Yorktown...