1 Department of Clinical Immunology and Rheumatology, Institute of Postgraduate Medical Education and Research, 244, A.J.C. Bose Road, Kolkata, 700020, India.
2 Department of Clinical Immunology and Rheumatology, Institute of Postgraduate Medical Education and Research, 244, A.J.C. Bose Road, Kolkata, 700020, India. dr.a.chattopadhyay@gmail.com.
3 Department of Ophthalmology, Institute of Postgraduate Medical Education and Research, 244, A.J.C. Bose Road, Kolkata, West Bengal, 700020, India.