1. Centre
for Systems Chemistry, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747
AG, Groningen, The Netherlands
2. Molecular
Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute, Nijenborgh 7, 9747 AG, Groningen, The Netherlands
3. Department
of Radiology, University of Groningen, University Medical Centre Groningen, 9713 GZ, Groningen, The Netherlands