1. Department of Biological Sciences, College of Science, University of Santo Tomas, Manila, Philippines
2. Department of Pathology, Divine Word Hospital, Tacloban City, Philippines
3. Department of Pathology, University of Santo Tomas Hospital, Manila, Philippines
4. Department of Pathology, Bulacan Medical Center, Malolos City, Philippines
5. The Graduate School, University of Santo Tomas, Manila, Philippines
6. Department of Electrical Engineering, University of the Philippines Los Baños, Los Baños, Philippines
7. Research Center for the Natural and Applied Sciences, University of Santo Tomas, Manila, Philippines