Received: 31 January 2018
Accepted: 7 February 2019
First Online: 18 February 2019
Ethics approval and consent to participate
: Parents (legal guardians) of all children enrolled into the screening programme gave their written consent to use the children’s anonymized data for statistical and scientific use.The study was a part of a broader study and health programme of screening and prevention of obesity in children carried out under the name” 6–10-14 for Health”. The programme protocol has been approved by the Independent Bioethics Committee for Scientific Research at Medical University of Gdansk, Poland (decision no. NKBBN/228/2012 from 25 Jan 2012).
: Not applicable.
: The authors declare that they have no competing interests.
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