1. The Graduate School; University of Santo Tomas; Manila Philippines
2. Research Center for the Natural Sciences; University of Santo Tomas; Manila Philippines
3. Brackishwater Aquaculture Center; Institute of Aquaculture; College of Fisheries and Ocean Sciences; University of the Philippines Visayas; Iloilo Philippines
4. Department of Biological Science; College of Science; University of Santo Tomas; Manila Philippines