1. Department of Clinical Hematology, Medical Division, Command Hospital Air Force, Bangalore, India
2. Department of Internal Medicine, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
3. Department of Hematology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
4. Department of Clinical Hematology, Army Hospital Research and Referral, Delhi, India