1. Department of Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu, Taiwan, ROC
2. Department of Civil Engineering and Environmental Informatics, Minghsin University of Science and Technology, Hsinchu, Taiwan, ROC
3. Department of Industrial Engineering and Enterprise Information, Tunghai University, Taichung, Taiwan, ROC
4. Human Augmentation Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Chiba, Japan