1. Department of Chemistry, University of Turku, FI-20500 Turku, Finland
2. Instrument Centre, Faculty of Science and Engineering, Åbo Akademi University, FI-20500 Åbo, Finland
3. Department of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
4. Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland