Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST104-2314-B-038-014)
National Health Research Institutes (NHRI-EX106-10317PI)
Received: 16 December 2018
Accepted: 2 August 2019
First Online: 8 August 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board in Changhua Christian Hospital (reference no.: 110804), Show Chwan Memorial Hospital (reference no.: 1000306), and Chang Bing Show Chwan Memorial Hospital (reference no.: 1000810), Taiwan. Written informed consent was obtained from each participating child’s parent or legal guardian in this study.
: No commercial party having a direct or indirect interest in the subject matter of this research will confer a benefit on the authors or on any organization with which the authors are associated.