Spain leads internationally with 34 deceased donors per million population, according to figures from the International Registry of OrganDonationandTransplantation.
The STG - which includes health professionals, patients' organisations and members of the public - was created last year to provide advice on organdonationandtransplantation.
The authors also decided it was important to separate completely the diagnosis and confirmation of death from anything to do with the issues surrounding organdonationandtransplantation.