1. Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, CHE205, Tampa, Florida 33620, United States
2. Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida 33612, United States
3. School of Natural Sciences and Ryan Institute, University of Galway, University Road, Galway, H91 TK33, Ireland