1. National Institute of Molecular Biology and Biotechnology, University of the Philippines Los Baños, Laguna, Philippines
2. Office of the Vice-Chancellor for Research and Extension, University of the Philippines Los Baños, Laguna, Philippines
3. Genetics and Molecular Biology Division, Institute of Biological Sciences, University of the Philippines Los Baños, Laguna, Philippines
4. Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada