Funding for this research was provided by:
Taipei Medical University Hospital (TMU-JIRB-No. N201708019)
Received: 19 November 2018
Accepted: 4 June 2019
First Online: 18 June 2019
Ethics approval and consent to participate
: The research protocols were approved by the Institutional Review Board of Shuang Ho Hospital, Taipei Medical University (TMU-JIRB no. N201708019), and they were also approved by the MOH, RMI. Informed consent form was obtained from participant parents /guardians to allow their kids to participate in this project. Meanwhile, participants were informed whether all of their data were permitted to consent for publication was also obtained in the informed consent.
: Not applicable.
: The authors declare that they have no competing interests.