Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 106-2314-B-002-227-, MOST 107-2320-B-002-032-)
National Taiwan University Hospital (106-EDN06, 107-EDN14)
National Health Research Institutes (NHRI-EX107-10716NC)
Received: 29 January 2019
Accepted: 20 June 2019
First Online: 27 June 2019
Ethics approval and consent to participate
: All participants provided informed consent and the study was approved by the institutional ethics board.
: The paper has not been published previously and is not under consideration for publication elsewhere. All co-authors have read and approved the submission.
: All authors declare that they have no competing interests.