It will take more than an opt-out system to increase organ donation: prioritise donors to receive organs.
Adnan
A
Sharif
D006801:Humans; D016377:Organ Transplantation / Q000331:legislation & jurisprudence*; D019724:Presumed Consent / Q000331:legislation & jurisprudence; D014019:Tissue Donors / Q000331:legislation & jurisprudence*; D009927:Tissue and Organ Procurement / Q000458:organization & administration*; D006113:United Kingdom