1. Department of Chemistry Villanova University 800 East Lancaster Avenue Villanova PA 19085 USA
2. Department of Chemistry Temple University 1901 North 13th Street Philadelphia PA 19122 USA
3. Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
4. Emory Antibiotic Resistance Center Emory University School of Medicine 201 Dowman Drive Atlanta GA 30322 USA