Janssen, Loes H. C. http://orcid.org/0000-0003-3543-6026
Elzinga, Bernet M.
Verkuil, Bart
Hillegers, Manon H. J.
Keijsers, Loes
Funding for this research was provided by:
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (452-17-011, 452-17-011)
Youth and Identity Seed Grant
Article History
Received: 8 September 2020
Accepted: 17 September 2020
First Online: 30 September 2020
Compliance with Ethical Standards
:
: L.K. and M.H. received a seed grant of Utrecht University. L.K. and B.E. both received a personal research grant from The Netherlands Organization for Scientific Research. Grant numbers are mentioned under funding. The authors declare that they have no further conflict of interest.
: The study ‘Grumpy or Depressed’ was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of the Faculty of Social Sciences at the University Utrecht in 2014.
: Parents were asked to provide passive informed consent for the screening phase. Prior to the start of the longitudinal study, adolescents and their parents provided active informed consent, both for the assessments as for the use of the screening data.