1. Institut de Chimie de Strasbourg, UMR7177, CNRS, Université de Strasbourg, F-67083 Strasbourg Cedex, France
2. Channel-Receptors Unit, Institut Pasteur, 75015 Paris, France
3. Diretoria de Metrologia Aplicada às Ciências da Vida-Instituto Nacional de Metrologia, Qualidade e Tecnologia, Duque de Caxias 25.250-020, Brazil
4. CNRS, URA 2182, F-75015, Collège de France, F-75005 Paris, France
5. Kavli Institute for Brain & Mind, University of California San Diego, La Jolla, CA 92093, USA