1Department of Immunology, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.
2Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanitá, 00161 Rome, Italy.
3Graduate School of Biomedical Sciences, University of Texas, Houston, TX 77030, USA
4Division of Rheumatology, Department of Clinical Medicine and Therapy, University La Sapienza of Rome, 00161 Rome, Italy.
5Department of Biostatistics, University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA
6First Department of Internal Medicine, Kansai Medical University, Osaka 579-8506, Japan.
7Department of Dermatology, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.
8Department of Melanoma Medical Oncology, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.