Dirven, Linda http://orcid.org/0000-0001-9157-9895
,
Petersen, Morten Aa.
Aaronson, Neil K.
Chie, Wei-Chu
Conroy, Thierry
Costantini, Anna
Hammerlid, Eva
Velikova, Galina
Verdonck-de Leeuw, Irma M.
Young, Teresa
Groenvold, Mogens
Funding for this research was provided by:
Leiden University Medical Center
Article History
Received: 8 May 2019
Accepted: 19 November 2019
First Online: 6 December 2019
Compliance with Ethical Standards
: The procedures performed in this study are 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.
: All authors declare no conflict of interest with respect to this work.
: Danish Ethical Board, registration number (KF) 01318568; UK National Research Ethics Service, registration number 07/Q0204/65; Ethics Committee of Sant’ Andrea Hospital Rome, registration number 827. The French, Dutch and Swedish ethical committees were notified of the study, but formal submission and registration of the study was not necessary at the time of conduct.
: Informed consent was obtained from all individual participants included in the study.