Natterer , J., Schneider, J., Sekarski, N., Rathke, V., Adams, M., Latal, B., Borradori-Tolsa, C., Bouhabib, M., Fuhrer Kradolfer, K., Glöckler, M., Hutter, D., Kelly, J., L’Ebraly, C., Pfluger, M.R., Polito, A., von Rhein, M. and Knirsch , W. 2022. 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 Medical Weekly. 152, 3536 (Sep. 2022), w30217. DOI:https://doi.org/10.4414/SMW.2022.w30217.