Meijer-Schaap, Lysbert http://orcid.org/0000-0002-2925-5619
Dubois, Anthony E. J.
Kollen, Boudewijn J.
Tijmens-van der Hulst, Jet
Flokstra-de Blok, Bertine M. J.
Vrijlandt, Elianne J. L. E.
Funding for this research was provided by:
Stichting Astma Bestrijding (SAB 2012/028)
Article History
Accepted: 14 October 2018
First Online: 22 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the medical ethics committee of the University Medical Center Groningen (METc 2011/258).
: Participants could only be included in the study if one of the parents gave informed consent and the other parent did not object.