1. Mass Spectrometry Laboratory, University of Liège, MolSys Research unit, Quartier Agora, Allée
du Six Aout 11, B-4000 Liège, Belgium
2. Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, 6211 LK Maastricht, The Netherlands
3. Commissariat à l’Energie Atomique CEA, DRF/SIMOPRO, 91191 Gif sur Yvette, France