From the *Sydney Children’s Hospital, Randwick, New South Wales, Australia
†The University of New South Wales, New South Wales, Australia
‡St George Hospital, Kogarah, New South Wales, Australia
§Prince of Wales Hospital, Randwick, New South Wales, Australia
¶Sydney Eye Hospital, Sydney, Australia.
Accepted for publication April 26, 2018.
The authors have no funding or conflicts of interest to disclose.
Address for correspondence: Archana Koirala, MBChB, MIPH, 6216/6 Porter Street, Ryde, NSW 2112, Australia. E-mail: firstname.lastname@example.org.