John P. O'Bryan works in the Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Hollings Cancer Center at the Medical University of South Carolina, Research Health Scientist, USA. Dr. Gary Piazza is currently the Department Head of the Drug Discovery and Development Department at Auburn University. He previously served as the program director of Chemoprevention and Experimental Therapeutics and chief of the Drug Discovery and Development Research Center at the University of South Alabama Mitchell Cancer Institute from 2011-2021.