Affiliation: | 1. Institute of Statistics, National Chiao Tung University, Hsinchu, Taiwan;2. Institute of Statistics, National Tsing Hua University, Hsinchu, Taiwan;1. Department of Applied Informatics, University of Macedonia, 54636 Thessaloniki, Greece;2. Department of Mechanical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece |