Affiliation: | 1. Department of Clinical Immunology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, , Lucknow, India;2. Department of Rheumatology, King George Medical University, , Lucknow, India;3. Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, , Lucknow, India;4. Department of Neurology, Sanjay Gandhi Postgraduate Institute of Medical Sciences |