Funding for this research was provided by:
Interdisziplinäres Zentrum für Klinische Forschung, Universitätsklinikum Würzburg (A-267)
Received: 11 April 2019
Accepted: 5 July 2019
First Online: 12 July 2019
Ethics approval and consent to participate
: The Ethical Committee of the Medical Faculty at the University of Würzburg, Germany approved the study protocol. Informed consent was obtained from parents or legal guardians in the prospective surveillance studies (PP, PICU). Retrospective review of PW patient files at our own hospital pediatric ward was consented by the Data Protection Office, University Hospital of Würzburg, based on the regulations of the Bavarian Hospital Law [BayKrG, Art. 27(4)]. All analyses were performed solely on anonymized data.
: Not applicable.
: AS received research grants, speaker’s fees, and/or fees for participation in advisory board meetings and travelling grants from GlaxoSmithKline GmbH Co.KG (Germany) and Pfizer Pharma GmbH (Germany). JGL received research grants, speaker’s fees, and fees for participation in advisory board meetings from GlaxoSmithKline GmbH Co.KG (Germany), Pfizer Pharma GmbH (Germany), SPMSD and MSD. The other authors declare that they have no competing interests.