Protocols
The published version of the protocol in the journal BMC Pediatrics can be found here: http://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-017-0794-z
The published version of the protocol in the journal BMC Pediatrics can be found here: http://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-017-0794-z
This study is funded by the National Institute for Health Research (NIHR) Health Technology Assessment (HTA) Programme (Reference Number 11/01/25). The views expressed are those of the author(s) and not necessarily those of the NIHR or the Department of Health and Social Care.