Mahidol University, Mahidol University, Mahidol University, Mahidol University, Mahidol University, University of Edinburgh, University of Edinburgh, Synchrotron Light Research Institute, Synchrotron Light Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, Chiang Mai University, Chiang Mai University, Mahidol University and Mahidol University