Received: 16 July 2018
Accepted: 10 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: The data were retrieved from the Belgian Registry of children treated with GH (BELGROW), which is administrated by BESPEED since 1985. The Registry stores coded data and informed consent was secured prior to data entry.
: Not applicable.
: The authors declare that they have no competing interests.
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