1. The Graduate School, University of Santo Tomas, Manila, Philippines
2. School of Pharmacy, Centro Escolar University, Manila, Philippines
3. Philippine Eye Research Institute, PGH Compound, Ermita, Manila, Philippines
4. University of the Philippines – National Institute of Health, Ermita, Manila, Philippines
5. Laboratory for Organic Reactivity, Discovery, and Synthesis (LORDS), Research Center for the Natural and Applied Sciences, University of Santo Tomas, Manila, Philippines
6. Phytochemistry Laboratory, Research Center for the Natural and Applied Sciences, University of Santo Tomas, Manila, Philippines
7. Department of Biochemistry, Faculty of Pharmacy, University of Santo Tomas, Manila, Philippines
8. Pharmacology Laboratory, Research Center for the Natural and Applied Sciences, University of Santo Tomas, Manila, Philippines
9. Department of Pharmacy, Faculty of Pharmacy, University of Santo Tomas, Manila, Philippines