Author Contributions: Dr Segev had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Segev.
Acquisition of data: Segev, Taranto, McBride.
Analysis and interpretation of data: Segev, Muzaale, Caffo, Mehta, Singer, Taranto, Montgomery.
Drafting of the manuscript: Segev, Muzaale.
Critical revision of the manuscript for important intellectual content: Segev, Muzaale, Caffo, Mehta, Singer, Taranto, McBride, Montgomery.
Statistical analysis: Segev, Muzaale, Caffo, Mehta, McBride.
Administrative, technical, or material support: Montgomery.
Study supervision: Segev.
Financial Disclosures: None reported.
Funding/Support: The Organ Procurement and Transplantation Network (OPTN) is supported by Health Resources and Services Administration contract 234-2005-370011C. To ensure confidentiality of Social Security number data provided to the OPTN, the Social Security number linkages to Social Security Death Master File were performed solely by United Network for Organ Sharing staff (including Dr McBride and Ms Taranto).
Disclaimer: The analyses described herein are the responsibility of the authors alone and do not necessarily reflect the views or policies of the US Department of Health and Human Services, nor does the mention of trade names, commercial products, or organizations imply endorsement by the US government.
Additional Contributions: Katarina Linden (United Network for Organ Sharing, Richmond, Virginia) provided advice and data support for the manuscript. Ms Linden did not receive any compensation.