Funding for this research was provided by:
National Health Research Institutes (PH-97~109-SP-01, PH-101~109-PP-04)
Received: 23 September 2019
Accepted: 27 January 2020
First Online: 5 March 2020
Change Date: 22 October 2020
Change Type: Update
Change Details: The commenting author who answered reviewers was not mentioned correctly in Peer Review file. The correct author is Yen-Feng Chiu. The article has been updated to rectify the error.
Ethics approval and consent to participate
: Written informed consent was obtained from each participant, this study was approved by the Research Ethics Committee at National Health Research Institutes (NHRI) (reference number EC1020805-R1).
: Not applicable.
: The authors declare that they have no competing interests.