Greenock, said: “I was a regular blood donor so I followed the link and registered.”While he was not a match for the man in the appeal, in November JohnPaul got a call from the charity DKMS, which runs registers for stem cell and bone marrow donors, saying he was a potential match for someone else.Did you know you can keep up to date with the latest news by signing up to our daily newsletter?We send a morning and lunchtime newsletter covering the latest headlines every day.We also send