1. Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia.
2. Department of Child Health, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia.
3. Department of Child Health, Harapan Kita Child and Mother Hospital, Jakarta, Indonesia.
4. Department of Child Health, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
5. Department of Child Health, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
6. Danone Nutricia Research, Singapore.