1. Leiden University Center for Infectious Diseases (LUCID), Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
2. Leiden Institute of Chemistry, Leiden University, 2311 EZ Leiden, The Netherlands
3. Department of Chemistry, University of York, York YO10 5DD, United Kingdom
4. Department of Pulmonology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands