affiliation not provided to SSRN, affiliation not provided to SSRN, Chungnam National University, affiliation not provided to SSRN, affiliation not provided to SSRN, National Yang Ming Chiao Tung University, Chang Gung University, Chang Gung University, National Synchrotron Radiation Research Center, Korea Atomic Energy Research Institute, Gumi Electronics & Information Technology Research Institute, University of Science and Technology of China (USTC) - National Synchrotron Radiation Laboratory Research Center, Chang Gung University, National Yang Ming Chiao Tung University, Chungnam National University, affiliation not provided to SSRN and affiliation not provided to SSRN