1. Institute of Convergence Bio-Health, Dong-A University, Busan 49201, Korea
2. Economic Survey, Gyeongin Regional Statistics Office, Gwacheon 13809, Korea
3. Ubicod Company, Seoul 08381, Korea
4. Department of Industrial Engineering, Hanyang University, Seoul 04763, Korea
5. Department of Nuclear Medicine, Dong-A University Medical Center, Dong-A University College of Medicine, Busan 49201, Korea