- Correspondence to Dr Roberto Velasco, Pediatric Emergency Unit, Rio Hortega University Hospital, Valladolid 47140, Spain;
- Received January 21, 2020
- Revised July 5, 2020
- Accepted July 6, 2020
- First published August 19, 2020.
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.