All three are seriously ill and experience severe pain and many other discomforts.
Other treatments are largely ineffective.
They will meet with invited States Members on Monday 8 December at a private meting . Their petitions will be discussed, debated and voted upon in the States' Assembly on Tuesday 9 December 2014 in public.
The newly appointed Health Minister Senator Green has already expressed his view in opposition to the granting of the petitioners' wishes - but why?
Here below in a two part interview Ann and Evelyn (two of the three petitioners) express some of their views on the matter.
Previous interviews with Evelyn have appeared on this blog-site.
Part one - runs about 7.5 minutes
Part two - also about 7.5 minutes