- Correspondence to Dr Markus Wilken, Institute for Pediatric Feeding Tube Management and Weaning, Hohlweg 4, Siegburg D-53721, Germany;
- Received 20 December 2012
- Revised 6 June 2013
- Accepted 29 June 2013
- Published online 17 July 2013.
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.