Funding for this research was provided by:
National Health and Medical Research Council (1136548, 1027449, 1019980, 1044840, 1021858)
Text and Data Mining valid from 2018-07-25
Received: 2 February 2018
Accepted: 13 June 2018
First Online: 25 July 2018
Ethics approval and consent to participate
: Written, informed consent was obtained from the mother until the children reached the age of 18 and provided their own consent. Follow-ups of the study families were approved by the respective ethics committees at King Edward Memorial Hospital, Princess Margaret Hospital for Children, the University of Western Australia, and/or Curtin University.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.