Text and Data Mining valid from 2020-04-29
Received: 30 December 2019
Accepted: 19 April 2020
First Online: 29 April 2020
Ethics approval and consent to participate
: Informed consent was obtained from all patients and parents enrolled in this study. The study was approved by the Hunter New England Area Health Ethics Committee, therefore, the study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki. The authorization number 2019/ETH12487 was issued.
: Consent was obtained to publish the figures used in this paper.
: The authors declare that they have no competing interests.