1. Department of Haematogenetics, National Institute of Immunohaematology, Indian Council of Medical Research, Mumbai, India;
2. Department of Anatomy, Agartala Government Medical College, Agartala, India;
3. Department of Obstetrics & Gynaecology, Agartala Government Medical College, Agartala, India;
4. Surat Raktdan Kendra & Research Centre, Regional Blood Transfusion Centre, Udhna, Surat, India