Jozefiak, Thomas http://orcid.org/0000-0002-7535-4984
Greger, Hanne K.
Koot, Hans M.
Klöckner, Christian A.
Wallander, Jan L.
Article History
Accepted: 2 May 2019
First Online: 10 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. The first author receives royalties from Publisher Hogrefe/Psykologiförlag Stockholm for authorship of the “Norwegian Manual—ILC QoL measure, 2012″ which was used in this study.
: All adolescents and parents who participated gave their written informed consent. This study was approved by the Regional Committee for Medical Research Ethics in Central Norway. The procedures in this study were in accordance with the 1964 Helsinki declaration and its later amendments.