1. Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, India
2. Department of Medical Microbiology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
3. Department of Radiodiagnosis, Post Graduate Institute of Medical Education and Research, Chandigarh, India
4. Department of Neurology, Post Graduate Institute of Medical Education and Research, Chandigarh, India