Funding for this research was provided by:
Ministry of National Defense-Medical Affairs Bureau (MAB–106–20)
Ministry of Science and Technology, Taiwan (MOST 105-2314–B–016–047)
Teh-Tzer Study Group for Human Medical Research Foundation (A106–1017)
Received: 7 June 2018
Accepted: 18 October 2018
First Online: 15 November 2018
Ethics approval and consent to participate
: “Not applicable” (The present paper did not involve the use of any animal or human data).
: “Not applicable”.
: The authors declare that they have no competing interests.
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