[1] Weber State Univ, Management Informat Syst, Ogden, UT USA
[2] Incheon Natl Univ, Ind & Management Engn, Incheon, South Korea
[3] Dongguk Univ, Dept Ind & Syst Engn, Seoul, South Korea
[4] Incheon Natl Univ, Dept Ind & Management Engn, Incheon, South Korea
[5] Univ Toronto, Dept Mech & Ind Engn, Toronto, ON, Canada
[6] Adv Inst Convergence Technol, Suwon, South Korea