1. School of Basic and Biomedical Sciences, University of Health and Allied Sciences, PMB 31 Ho, Volta Region, Ghana
2. Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
3. Novo Nordisk Indianapolis Research Center, 5225 Exploration Dr., Indianapolis, Indiana 46241, United States
4. Department of Pharmacology and Systems Physiology, University of Cincinnati-College of Medicine, Cincinnati, Ohio 45267, United States
5. Novo Nordisk Research Center, 530 Fairview Avenue North, Seattle, Washington 98109, United States