1. R&D Department, Philochem AG, Libernstrasse 3, Otelfingen, ZH CH-8112, Switzerland
2. Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology, Vladimir-Prelog-Weg 1-5/10, Zürich CH-8093, Switzerland
3. Philogen S.p.A., Via Bellaria, 35, Sovicille, SI IT-53018, Italy