1. Independent Researcher, Champsara, Baidyabati, Hooghly, West Bengal, India
2. Independent Researcher, Shibpur, Howrah, West Bengal, India
3. Midnapore Homeopathic Medical College and Hospital, Midnapore, Paschim Medinipur, West Bengal, India
4. Haripal Sahadeb Gram Panchayet Health Center, Haripal, Hooghly, West Bengal, India
5. Mahesh Bhattacharyya Homeopathic Medical College and Hospital, Doomurjala, Howrah, West Bengal, India
6. Upasana Diagnostic Center, Salt Lake City, Kolkata, West Bengal, India
7. The Calcutta Homeopathic Medical College and Hospital, Kolkata, West Bengal, India
8. All India Institute of Hygiene and Public Health, Kolkata, West Bengal, India