1. Antiretroviral Treatment Centre (ARTC), Department of Internal Medicine, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
2. Centre of Excellence in HIV Care, Department of Internal Medicine, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
3. Department of Immunopathology, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.