Article History
Received: 24 September 2019
Accepted: 8 November 2019
First Online: 25 November 2019
Compliance with ethical standards
:
: Graeme MacLaren does not have any conflict of interest. Katherine L. Brown is the Paediatric Section Editor for this Journal. Ravi R. Thiagarajan's institution received reimbursement for his role as a clinical trial events adjudicator for Bristol Myers Squibb and Pfizer.