Yale University - Department of Internal Medicine, Yale University - Department of Internal Medicine, Cedars-Sinai Medical Center, Yale University - Department of Internal Medicine, Yale University - Department of Internal Medicine, Yale University - Department of Internal Medicine, Yale University - Department of Internal Medicine, Yale University - Department of Internal Medicine, Yale University - Department of Internal Medicine, Cedars-Sinai Medical Center, Yale University - Department of Internal Medicine, Hallym University, Kyungpook National University, Yale University - Department of Internal Medicine, Cedars-Sinai Medical Center, Seoul National University - Division of Rheumatology and Yale University - Department of Internal Medicine