Text and Data Mining valid from 2018-08-20
Received: 21 March 2018
Accepted: 1 August 2018
First Online: 20 August 2018
Change Date: 7 November 2018
Change Type: Correction
Change Details: Following publication of the original article , the author flagged aspects of the article that affected readability of some of the article’s scientific content.
Ethics approval and consent to participate
: All studies were approved by the local ethics committees (leading ethics committee: University Luebeck, Ethics Committee, Ratzeburger Allee 160, 23,538-Luebeck, Germany; reference number: Az 12–215) and are registered at ExternalRef removed (paediatric arm: NCT02496468 (first posted: July 14th 2015); adult arm: NCT02419274 (first posted: April 17th 2015)). All adult patients provided written informed consent prior to inclusion. For children, informed consent was given by either parent or caretaker if aged younger than 8 years, and additionally by the child if aged 8 years or older.
: Not applicable.
: The author’s declare that they have no competing interests.
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