Received: 28 June 2018
Accepted: 14 January 2019
First Online: 4 February 2019
Ethics approval and consent to participate
: The original RCT and the current follow-up study were both approved by the Human Research Ethics Committees of Austin Health, Melbourne, Australia. Trial Registration of the original RCT: ACTRN12607000397415. Registered on 2 August 2007,ExternalRef removed. Informed consent was given by one of the children’s parents at the outset of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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