Funding for this research was provided by:
Ministry of Science and Technology, Taipei, Taiwan (MOST 105-2628-B-075-008-MY3, MOST 107-2633-B-009-003)
Taipei Veterans General Hospital, Taipei, Taiwan (V106D25-003-MY3, VGHUST107-G5-3-3)
Article History
Received: 15 June 2018
Accepted: 22 August 2018
First Online: 3 September 2018
Compliance with ethical standards
:
: All authors declared that they have no conflicts of interest and results in this paper have not been published previously.
: This article does not contain any studies with human participants or animals.
: Informed consent was obtained from individual subjects included in this study.