1. Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen 2100, Denmark
2. Polimero eta Material Aurreratuak: Fisika, Kimika eta Teknologia, Kimika Fakultatea, UPV/EHU & Donostia International Physics Center (DIPC), PK 1072, Donostia-San Sebastian, Euskadi 20018, Spain
3. Department of Chemistry, Graduate School of Science, The University of Tokyo, Tokyo, Bunkyo-ku 113-0033, Japan