aDepartment of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
bSchool of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC
Received July 16, 2019; accepted July 16, 2019.
Conflicts of interest: The authors declare that there are no conflicts of interest related to the subject matter or materials discussed in this article.
Address correspondence: Dr. Chen-Liang Chou, Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, 201, Section 2, Shi-Pai Road, Taipei 112, Taiwan, ROC. E-mail addresses: firstname.lastname@example.org (C.-L. Chou).
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).