1. Department of Molecular Biology, University of Geneva, 1211 Geneva, Switzerland
2. Department of Molecular Therapeutics, The Scripps Research Institute, 110 Scripps Way, Building A Room A265, Jupiter, FL 33458, USA
3. University of Bordeaux, European Institute of Chemistry and Biology, ARNA Laboratory, 33607 Pessac, France
4. Institut National de la Santé et de la Recherche Médicale, INSERM-U869, ARNA Laboratory, 33000 Bordeaux, France