1. School of Business Administration, Gyeongsang National University, Jinju-si 52725, Republic of Korea
2. College of Business Administration, Dong-A University, Busan 49315, Republic of Korea
3. School of Mechanical and Material Convergence Engineering, Gyeongsang National University, Jinju-si 52725, Republic of Korea
4. School of Aerospace Engineering, Gyeongsang National University, Jinju-si 52828, Republic of Korea