1. Center of Excellence for Innovation in Analytical Science and Technology, Chiang Mai University
2. Biomedical Engineering Institute, Chiang Mai University
3. Department of Chemistry, Faculty of Science, Chiang Mai University
4. Presently at Department of General Science, Faculty of Science and Engineering, Kasetsart University Chalermphrakiat Sakon Nakhon Province Campus
5. Presently at School of Science, Mae Fah Luang University
6. Science and Technology Research Institute, Chiang Mai University