Correction: Genetic Variants of IκB Kinase β (IKBKB) and Polymerase β (POLB) Were Not Associated with Systemic Lupus Erythematosus Risk in a Chinese Han Population.

The first and second author affiliations are switched. The affiliations should appear as shown here:

Yuan Li1, 2, Ziyan Wu1, Shulan Zhang1, Si Chen1, Ping Li1, Jing Li1, Chunwei Cao1, Bin Liu2, Fengchun Zhang1, Yongzhe Li1

1 Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China,

2 Department of Rheumatology, The Affiliated Hospital of Qingdao University, China