1. École Polytechnique Fédérale de Lausanne (EPFL), Institute of Chemical Sciences and Engineering, National
Centre of Competence in Research (NCCR) in Chemical Biology, 1015 Lausanne, Switzerland
2. University of Geneva, Department of Biochemistry, National Centre of Competence in Research
(NCCR) in Chemical Biology, Sciences II, 30 quai E. Ansermet, CH-1211 Genève 4, Switzerland