1. Department of Biology, Faculty of Science, Srinakharinwirot University, Bangkok, Thailand;
2. Department of Biology, Faculty of Science, Ramkhamhaeng University, Bangkok, Thailand;
3. Integrative Research Center, Science & Education, The Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605, U.S.A.;
4. Toxicology Center, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand