1. Department of Chemistry and Chemical Engineering; Chalmers University of Technology; Kemivägen 10 412 96 Gothenburg Sweden
2. National Center for Imaging Mass Spectrometry; Chalmers University of Technology and Gothenburg University; Kemivägen 10 412 96 Gothenburg Sweden
3. Department of Chemistry and Molecular Biology; University of Gothenburg; Kemivägen 10 412 96 Gothenburg Sweden