Funding for this research was provided by:
Warwick Impact Fund award
Fondazione del Monte di Bologna e Ravenna,
Fondazione Nando Peretti
Received: 25 August 2017
Accepted: 19 December 2017
First Online: 19 February 2018
Ethics approval and consent to participate
: The study was approved by the Unified Ethics Committee of Bologna, Imola and Ferrara (CE BIF); project number 13062. The experiments conformed to the principles set out in the World Medical Association Declaration of Helsinki. Whole blood and urine samples were collected from children with written informed consent of a parent.
: Written consent to publish individual children’s details (Table InternalRef removed) was given by their parent or legal guardian.
: The authors declare that they have no competing interests.
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