1. BioNanomaterials, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland
2. School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1211 Geneva, Switzerland
3. Chair of Pharmacology, Faculty of Science and Medicine, University of Fribourg, 1700 Fribourg, Switzerland
4. Faculty of Medicine, University of Geneva, Rue Michel-Servet 1, 1211 Geneva, Switzerland
5. In Vitro Toxicology Group, Swansea University Medical School, Wales SA2 8PP, U.K.