1. Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
2. Institute of Biophysical Chemistry, Goethe-University Frankfurt am Main, Max-von-Laue-Strasse 9, 60438 Frankfurt am Main, Germany
3. Laboratory of Physical Chemistry, ETH Zürich, 8093 Zürich, Switzerland
4. Departmento de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, E-08193 Cerdanyola del Vallès, Barcelona, Spain
5. Departmento de Genètica, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, E-08028 Barcelona, Spain
6. Institute of Zoology and Center of Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Technikerstraße 25, A-6020 Innsbruck, Austria