Funding for this research was provided by:
Academisch Medisch Centrum
Text and Data Mining valid from 2018-11-03
Received: 24 June 2018
Revised: 29 September 2018
Accepted: 1 October 2018
First Online: 3 November 2018
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: Informed consent was obtained from all individual participants included in the study.The EUROPA study was approved by the Medical Ethical Committee of the Academic Medical Centre Amsterdam, Amsterdam, the Netherlands (approval number 09/066) and the parents gave written informed consent. The EUROPA study is registered in the Dutch Trial Register (NTR-1955).All procedures were in accordance with the ethical standards of the Medical Ethical Committee of the Academic Medical Centre Amsterdam and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.