1. 3. Organ Procurement and Transplantation Network: Policies. Available from: http://www.optn.org/PoliciesandBylaws2/policies/pdf/policy_7.pdf. Accessed June 15, 2008.
2. 4. North American Pediatric Renal Trials and Collaborative Studies, 2007 Annual Report. Available from: http://www.naprtcs.org. Accessed June 30, 2008.
3. 5. Organ Procurement and Transplantation Network: Data. Available from: http://www.optn.org/latestData/rptData.asp. Accessed September 26, 2008.