I don't know if these are of any use?...
http://www.kidneyalliance.org.uk/docs/fourfive_six.htm
http://www.globalaccess.com.au/
http://www.globaldialysis.com/
I hope I'm not trying to show you to suck eggs, I just Googled it and there was quite a lot of information. You've probably done this but hey?...
Good luck