Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 104-2314-B-182-034-MY3)
Chang Gung Memorial Hospital (BMRP849)
Received: 26 August 2019
Accepted: 14 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: The ethical consideration of the research was approved by the Chang Gang University Institutional Review Board (IRB107-1747C1). Written informed consent document was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.