1. Department of Pharmaceutical Chemistry, Byers Hall, University of California San Francisco, 1700 4th Street, San Francisco, California 94158, United States
2. Dipartimento di Chimica, Università degli Studi di Modena e Reggio Emilia, Via Campi 183, 41100 Modena, Italy
3. Laboratoire de Bactériologie-Mycologie-Parasitologie 58, Centre de Biologie, Centre Hospitalier Universitaire, Boulevard Montalembert, 63003, Clermont-Ferrand Cedex 1, France