I presented these slides at the summer school on organ transplant ethics organized by VIU (Venice International University) in summer 2023. 

Further work on this topic:
https://www.giovannispitale.net/il-dono-nelle-donazioni/

https://www.giovannispitale.net/the-influence-of-consent-models-donor-registries-and-relatives-decision-on-organ-donation-an-assessment-of-the-current-literature-der-einfluss-von-zustimmungsmodellen-spenderegistern-und-angeho/