Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 107-2314-B-303 -020 -MY3)
Received: 10 December 2018
Accepted: 14 April 2019
First Online: 30 April 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and was approved by the institutional review board of Buddhist Dalin Tzu Chi Hospital, Taiwan (No. B10604013).
: Not applicable.
: The authors declare that they have no competing interests.
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