Funding for this research was provided by:
Wellcome Trust (101104/Z/13/Z, 204904/Z/16/Z)
Received: 16 January 2018
Accepted: 7 April 2018
First Online: 12 April 2018
Ethics approval and consent to participate
: The original studies were reviewed and approved by the local Institutional Review Boards of all enrolling hospitals and the Oxford Tropical Research Ethics Committee (OxTREC), University of Oxford, Oxford, United Kingdom. Written informed consent was obtained from parent or legal guardian of each participant. Subsequent approvals for use of original samples for serotyping of enterovirus was obtained from the Institutional Review Boards from the enrolling hospitals when not part of the original protocols.
: The authors declare that they have no competing interests.
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