As far as I'm aware, none of the listed western countries (except Chile, whose status as a "western" country is dubious) allow the use of organs for 'scientific

As far as I'm aware, none of the listed western countries (except Chile, whose status as a "western" country is dubious) allow the use of organs for 'scientific experimentation' without consent. Additionally many of the listed countries (Finland, Greece, ...) require attempts to ascertain consent for those organ donations, which means asking family members of the deceased.