1. Department of Endocrinology, Post Graduate Institute of Medical Research and Education, Chandigarh, India.
2. Department of Radiodiagnosis, Post Graduate Institute of Medical Research and Education, Chandigarh, India.
3. Department of Transfusion Medicine, Post Graduate Institute of Medical Research and Education, Chandigarh, India.
4. Department of Immunopathology, Post Graduate Institute of Medical Research and Education, Chandigarh, India.