1. Helmholtz
Zentrum München, Research Unit Analytical BioGeoChemistry, 85764 Neuherberg, Germany
2. Biomolecular
Medicine, Section of Computational and Systems Medicine, Department
of Surgery and Cancer, Faculty of Medicine, Imperial College London, South
Kensington, London SW7
2AZ, U.K.
3. Nestlé Research
Center, Nestec, Vers-chez-les-Blancs, 1000 Lausanne 26, Switzerland
4. Technische Universität München, Chair
of Analytical Food Chemistry, 85354 Freising, Germany