- Correspondence to Dr Floris Groenendaal, Department of Neonatology, Room number KE.04.123.1, Wilhelmina Children's Hospital, University Medical Center Utrecht, Lundlaan 6, 3584 EA Utrecht, The Netherlands;
- Received January 18, 2016
- Revised July 20, 2016
- Accepted July 24, 2016
- First published August 23, 2016.
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