1. School of Health SciencesDepartment of PharmacyDivision of Pharmaceutical ChemistryNational and Kapodistrian University of Athens, Panepistimioupoli-Zografou 157 84 Athens Greece
2. Global Health InstituteÉcole Polytechnique Fédérale de Lausanne Station 19 1015 Lausanne Switzerland
3. Institut Pasteur 25-28 rue du Docteur Roux 75724 Paris Cedex 15 France