Funding for this research was provided by:
Ministry of Health and Welfare (MOHW107-TDU-B-211-123001)
Received: 26 September 2018
Accepted: 15 April 2019
First Online: 10 May 2019
Ethics approval and consent to participate
: The protocol was approved by the institutional review board at Taipei Veterans General Hospital (2018–05-009A) on 29 May 2018. Informed consent will be obtained from all patients enrolled in the study.
: The authors declare that they have no competing interests.
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