1. Department of Pharmaceutical Biology, University of Groningen, Antonius Deusinglaan, Groningen, The Netherlands
2. Instituto Gulbenkian de Ciência, Oeiras, Portugal
3. Research Center for Infectious Diseases ZINF, Würzburg Universität, Josef-Schneider-Strasse 2, Würzburg, Germany
4. Department of Cell Biology, UT Southwestern Medical Center, Dallas, Texas, USA
5. Mass Spectrometry Core Facility, University of Groningen, A. Deusinglaan, Groningen, The Netherlands