Updates are available Correction dated 2018-07-26

Article History

Received: 13 August 2017

Accepted: 11 December 2017

First Online: 19 December 2017

Change Date: 26 July 2018

Change Type: Correction

Change Details: In the original publication, Figure 2 was published incorrectly. The correct version is given in this correction.

Compliance with ethical standards

:

: Author Özlem Dikmetas declares that she has no conflict of interest. Author Faik Gelisken has received a speaker honorarium from Company Novartis. Author Annegret Abaza declares that she has no conflict of interest.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

: Informed consent was obtained from the participant (from the parents) included in the study.