Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST-104-2314-B-002-071)
Received: 15 October 2018
Accepted: 2 June 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: This study was approved by the institutional review board (IRB) of the National Taiwan University Hospital, with an approval number: 201505065RIND, before participant enrollment and data collection. Written consented forms were obtained from participants.
: Not applicable.
: The authors declare that they have no competing interests.