1. Department of Pharmaceutical Sciences; University of Kentucky; Lexington KY USA
2. Department of Pharmaceutical Sciences; University of Wisconsin-Madison; WI USA
3. Nucleosides and Phosphorylated Effectors Team; IBMM; UMR5247 CNRS University Montpellier; France
4. Biologics Technology Research Laboratories; R&D Division; Daiichi Sankyo Co., Ltd.; Gunma Japan