1. Genetic Engineering Interdisciplinary Program, Graduate School, Kasetsart University, Chatuchak, Bangkok, Thailand
2. Division of Occupational and Environmental Diseases, Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand
3. Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
4. Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, Thailand