1. Department of Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
2. Allergy-Immunology Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
3. Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research, Chandigarh, India
4. Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India