Quitmann, J.
Bloemeke, J.
Dörr, H.-G.
Bullinger, M.
Witt, S.
Silva, N.
Article History
Received: 12 December 2018
Accepted: 20 February 2019
First Online: 6 March 2019
Compliance with ethical standards
:
: 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.
: Informed consent was obtained from all individual participants included in the study.
: QoLISSY is a joint initiative between Pfizer Limited and the University Medical Center Hamburg–Eppendorf. Copyright Pfizer Limited all rights reserved. The European QoLISSY instrument, together with comprehensive information of its development and validation process is published in the QoLISSY’s User’s Manual (Pabst Science Publishers, Lengerich, 2013). The Manual, which is available upon request, includes QoLISSY child and parent forms, as well as scoring information (ExternalRef removed).