Koskela, Mikael
Nihtilä, Julia
Ylinen, Elisa
Kolho, Kaija-Leena
Nuutinen, Matti
Ritari, Jarmo
Jahnukainen, Timo
Funding for this research was provided by:
Lastentautien Tutkimussäätiö (-)
Päivikki ja Sakari Sohlbergin Säätiö (-)
Stiftelsen Alma och K. A. Snellman Säätiö (-)
Article History
Received: 23 November 2020
Revised: 18 December 2020
Accepted: 19 January 2021
First Online: 16 February 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the ethics committee of Helsinki University Hospital.
: Written informed consent was obtained from all participants (and their guardians if necessary).
: The authors declare no conflict of interest.