From the Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Taegu, South Korea.
All correspondence should be addressed to: Han Do Lee, PhD, Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, 317-1, Daemyungdong, Namku, Taegu, 705-717, Republic of Korea.
This study was supported by the DGIST R&D Program of the Ministry of Science, ICT and Future Planning (19-BD-0401).
Sung Ho Jang is in training.
Financial disclosure statements have been obtained, and no conflicts of interest have been reported by the authors or by any individuals in control of the content of this article.
Online date: April 12, 2019