[1] John Hunter Childrens Hosp, Dept Endocrinol & Diabet, Newcastle, NSW 2310, Australia
[2] Univ Newcastle, Sch Med & Publ Hlth, Callaghan, NSW 2308, Australia
[3] Hunter Med Res Inst, Newcastle, NSW 2310, Australia
[4] Childrens Hosp Westmead, Inst Endocrinol & Diabet, Sydney, NSW 2145, Australia
[5] Sydney Childrens Hosp, Dept Endocrinol, Randwick, NSW, Australia
[6] Univ NSW, Sch Womens & Childrens Hlth, Glebe, NSW, Australia
[7] Royal N Shore Hosp, Paediat Diabet & Endocrine Serv, No Sydney Cent Coast Area Hlth Serv, St Leonards, NSW 2065, Australia
[8] Australian Diabet Council, Glebe, NSW, Australia