1. Organ Procurement and Transplantation Network Public forum on kidney allocation, Dallas, TX, 2007 http://optn.transplant.hrsa.gov/news/forum-weighs-input-on-new-kidney-allocation-concept/
2. Organ Procurement and Transplantation Network Public forum on kidney allocation, St. Louis, MO, 2009 http://optn.transplant.hrsa.gov/news/national-kidney-allocation-concepts-discussed-in-public-forum/
3. Organ Procurement and Transplantation Network Concepts for Kidney Allocation, 2011 https://web.archive.org/web/20110721042915/http:/optn.transplant.hrsa.gov/SharedContentDocuments/KidneyConceptDocument.PDF
4. Organ Procurement and Transplantation Network Proposal to Substantially Revise the National Kidney Allocation System, 2012 http://optn.transplant.hrsa.gov/PublicComment/pubcommentPropSub_311.pdf
5. Calculating life years from transplant (LYFT): Methods for kidney and kidney-pancreas candidates;Wolfe;Am J Transplant,2008