Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST103-2314-B-182-016)
Chang Gung Medical Foundation (NMRPD1D0471, CLRPG3D0045)
Received: 10 September 2019
Accepted: 12 December 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board at Chang Gung Memorial Hospital.
: Not applicable.
: The authors declare that they have no competing interests.