- Correspondence to Dr Shinji Saitoh, Department of Pediatrics and Neonatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan;
- Received 6 June 2017
- Revised 26 July 2017
- Accepted 26 July 2017
- Published in print 1 December 2017.
- Published online 23 November 2017.
- Published first 28 August 2017.
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