Fuchs, Jörg https://orcid.org/0000-0001-6145-2391
Urla, Cristian
Sparber-Sauer, Monika
Schuck, Andreas
Leuschner, Ivo
Klingebiel, Thomas
Blumenstock, Gunnar
Seitz, Guido
Koscielniak, Ewa
Article History
Received: 28 November 2017
Accepted: 2 February 2018
First Online: 20 February 2018
Conflict of interest
: The authors declare that they have 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 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent has been obtained as stated in the manuscript from all participating patients and/or their parents/guardians according to the legal requirements.