1. Centre for Molecular Medicine Norway, Nordic EMBL Partnership, University of Oslo; Oslo Norway
2. Biotechnology Centre, University of Oslo; Oslo Norway
3. Faculty of Health Sciences, Oslo and Akershus University College of Applied Sciences; Oslo Norway
4. Max Planck Institute for Biophysical Chemistry, Bioanalytical Mass Spectrometry Group; Göttingen Germany
5. Bioanalytics, Department of Clinical Chemistry, University Medical Center Göttingen; Göttingen Germany
6. Institute of Basic Medical Sciences, University of Oslo; Oslo Norway