. 2010 Jan 29;25(7):2178–2187. doi: 10.1093/ndt/gfp765
© The Author 2010. Published by Oxford University Press [on behalf of the ERA-EDTA]. All rights reserved. This is an Open Access article of the Creative Commons Attribution License (http://creativecommons.org/licenses?by-nc/2.0/uk) which permits unres distribution, and reproduction in any medium, provided the original work is properly cited.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5),which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 1.
Recruitment of participants.