Rautiainen, Linda
Cirko, Anna
Pavare, Jana
Grope, Ilze
Gersone, Gita
Tretjakovs, Peteris
Gardovska, Dace
Article History
Received: 7 August 2021
Accepted: 11 April 2022
First Online: 12 May 2022
Declarations
:
: This is study was conducted according to the guidelines laid down in the Declaration of Helsinki, and all procedures involving research study participants were approved by the Committee of Ethics of Riga Stradin’s University (No 2./06.10.2011). Informed consent was obtained from patients’ parents and additionally from patients themselves, if applicable.
: Not applicable.
: The authors declare that they have no competing interests.