1. Department of Physics and Astronomy, Faculty of Sciences, Vrije Universiteit, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands
2. Van't Hoff Institute for Molecular Science, University of Amsterdam, Nieuwe Achtergracht 166, 1010 WV Amsterdam, The Netherlands
3. Laboratory for Microbiology, Swammerdam Institute for Life Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1010 WV Amsterdam, The Netherlands