Retraction: an African ancestry-specific allele of CTLA4 confers protection against rheumatoid arthritis in African Americans.

• James M Kelley,
• Laura B Hughes,
• Jeffrey D Faggard,
• Maria I Danila,
• Monica H Crawford,
• Yuanqing Edberg,
• Miguel A Padilla,
• Hemant K Tiwari,
• Andrew O Westfall,
• Graciela S Alarcón,
• Doyt L Conn,
• Beth L Jonas,
• Leigh F Callahan,
• Edwin A Smith,
• Richard D Brasington,
• David B Allison,
• Robert P Kimberly,
• Larry W Moreland,
• Jeffrey C Edberg,
• S Louis Bridges

Affiliations

James M Kelley

Laura B Hughes

Jeffrey D Faggard

Maria I Danila

Monica H Crawford

Yuanqing Edberg

Miguel A Padilla

Hemant K Tiwari

Andrew O Westfall

Graciela S Alarcón

Doyt L Conn

Beth L Jonas

Leigh F Callahan

Edwin A Smith

Richard D Brasington

David B Allison

Robert P Kimberly

Larry W Moreland

Jeffrey C Edberg

S Louis Bridges