1. Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd, Pathumwan, Bangkok 10330, Thailand
2. National Institute of Health, Department of Medical Science, Ministry of Public Health, Nonthaburi 11000, Thailand
3. Department of Veterinary Public Health, Faculty of Veterinary Sciences, Chulalongkorn University, Bangkok 10330, Thailand
4. Center of Excellence for Food and Water Risk Analysis (FAWRA), Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
5. Regional Medical Science Center 4, Muak Lek, Saraburi 18180, Thailand
6. Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Kanagawa 223-8522, Japan