1. Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, Korea
2. Department of Ocean Engineering, Pukyong National University, Busan, Korea
3. Department of Physical Medicine and Rehabilitation, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
4. Industry 4.0 Convergence Bionics Engineering and Department of Biomedical Engineering, Pukyong National University, Busan, Korea