1. Institute
of Molecular Life Sciences, University of Zürich, Winterthurerstrasse
190, CH-8057 Zürich, Switzerland
2. FOM-Institute AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands
3. Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
4. Institutional
Mass Spectrometry Laboratory, The University of Texas Health Science Center at San Antonio, 8403 Floyd Curl Drive, MC-7760 San Antonio, Texas, United States
5. The
Maastricht Multimodal Molecular Imaging Institute, Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands