1. Department of Medicine, Section of Immunology, Allergy and Rheumatology, Baylor College of Medicine, Houston, TX, USA
2. Department of Internal Medicine, Division of Rheumatology and Clinical Immunogenetics, Houston, TX, USA
3. Department of Infectious Diseases, Division of Internal Medicine, Houston, TX, USA
4. Department of Cellular and Molecular Oncology, M.D. Anderson Cancer Center, Houston, TX, USA