thanks Russ and Scarlet, thanks for answering and for the great information you are giving to me, I'm very happy to have found this forum, I think I'm going to learn a lot. Of course I'm going to tell you every thing that is happening to me, especially when I start the treatment. This is lucKy to have internet, I live in a very small spanish island near Morocco, and I've found you. Thanks again and I'll keep on reading you.