1.
ORCHID (Outcome Registry for CHIldren with severe congenital heart Disease) a Swiss, nationwide, prospective, population-based, neurodevelopmental paediatric patient registry: framework, regulations and implementation. Swiss Med Wkly [Internet]. 2022 Sep. 2 [cited 2025 Oct. 28];152(3536):w30217. Available from: https://www.smw.ch/index.php/smw/article/view/3241