- Correspondence to Professor Ulrich Thome, Division of Neonatology, Department of Women's and Children's Medicine, University Hospital of Leipzig, Liebigstrasse 20a, Leipzig 04103, Germany
- Received 7 July 2016
- Revised 29 November 2016
- Accepted 9 December 2016
- Published online 18 August 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.