1. Department of Internal Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
2. Department of Obstetrics and Gynecology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
3. Department of Parasitology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
4. Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.