1. Department of Chemistry, University of Zurich, CH-8057 Zurich, Switzerland
2. Department of Chemistry, McGill University, H3A-0B8 Montreal, Canada
3. Laserinstitut Hochschule Mittweida, University of Applied Sciences, 09648 Mittweida, Germany
4. Department of Pharmacology and Therapeutics, McGill University, H3A-1A3 Montreal, Canada