1. Institute of Science and Technology for Research and Development; Mahidol University, Salaya Campus; Nakhon Pathom; 73170; Thailand
2. Synchrotron Light Research Institute, Muang; Nakhon Ratchasima; 30000; Thailand
3. Graduate School of Science and Technology; Kyoto Institute of Technology; Matsugasaki, Sakyo; Kyoto; 606-8585; Japan