[1] Univ Melbourne, Royal Childrens Hosp, Ctr Int Child Hlth, Dept Paediat, Parkville, Vic 3052, Australia
[2] Univ Indonesia, Jakarta, Indonesia
[3] WHO, Indonesia Country Off, Jakarta, Indonesia
[4] Indonesian Paediat Soc, Jakarta, Indonesia
[5] Minist Hlth Republ Indonesia, Jakarta, Indonesia