- Correspondence to Dr Indah K Murni, Department of Paediatrics, DR. Sardjito Hospital/Faculty of Medicine Universitas Gadjah Mada, Yogyakarta 55824, Indonesia;
- Received 9 August 2014
- Accepted 21 November 2014
- Published in print 1 May 2015.
- Published online 17 April 2015.
- Published first 10 December 2014.
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