- Correspondence to Dr Sinan Mahir Kayıran Department of Paediatrics, American Hospital, Guzelbahce sk. No: 20 Nisantasi Sisli, Istanbul 34450, Turkey;
- Received December 14, 2012
- Revised January 3, 2012
- Accepted January 4, 2013
- First published January 29, 2013.
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