Observership - Cardio-thoracic unit, Birmingham children's hospital, Birmingham, the UK (2019)
Observership - Cardio-thoracic unit, Evelina London Children's Hospital, London, the UK (2019)
Observership - Cardio-thoracic unit, Great Ormond Street Hospital (GOSH), London, the UK (2019, 2025)
Observership - Congenital Cardiac surgery unit, Munich Heart Center, Munich, Germany (2022)
Observership - Cardio-vascular unit, Okayama University Hospital, Okayama, Japan (2023)
Observership - Cardio-thoracic unit, Royal Childrens' Hopital, Melbourne, Australia (2024)