Natterer , J., J. Schneider, N. Sekarski, V. Rathke, M. Adams, B. Latal, C. Borradori-Tolsa, M. Bouhabib, K. Fuhrer Kradolfer, M. Glöckler, D. Hutter, J. Kelly, C. L’Ebraly, M. R. Pfluger, A. Polito, M. von Rhein, and W. Knirsch . “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, vol. 152, no. 3536, Sept. 2022, p. w30217, doi:10.4414/SMW.2022.w30217.