. 2013 Jan 4;6(1):84–86. doi: 10.1093/ckj/sfs167
© The Author 2013. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For permissions, please email: journals.permissions@oup.com.
this is an open access article distributed under the terms of the creative commons attribution non-commercial license (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. for commercial re-use, please contact journals.permissions@oup.com