[1] Univ Sydney, NHMRC Clin Trials Ctr, Sydney, NSW, Australia
[2] Univ Sydney, Clin Ophthalmol & Eye Hlth, Westmead Clin Sch, Sydney, NSW, Australia
[3] Univ Melbourne, St Vincents Hosp, Dept Med, Melbourne, Vic, Australia
[4] Univ Melbourne, Royal Victorian Eye & Ear Hosp, Dept Ophthalmol, Melbourne, Vic, Australia
[5] Christchurch Hosp, Lipid & Diabet Res Grp, Christchurch, New Zealand