Pieper, Theresa
Latus, Heiner
Schranz, Dietmar
Kreuder, Joachim
Reich, Bettina
Gummel, Kerstin
Hudel, Helge
Voges, Inga http://orcid.org/0000-0001-7406-8006
Article History
Received: 19 April 2019
Accepted: 21 November 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of the Justus-Liebig-University Giessen (Date of approval 10/03/2016, No. 128/15) and the study has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Written informed consent was obtained from all parents or patients as appropriate.
: Not applicable.
: The authors declare that they have no competing interests.