1. Department of Microbiology, St. Paul's Cathedral Mission College, University of Calcutta, Kolkata, West Bengal, India
2. Department of Pathology & Microbiology, Mahesh Bhattacharyya Homoeopathic Medical College and Hospital, Howrah, West Bengal, India
3. Peerless Hospital & B.K. Roy Research Centre, Kolkata, West Bengal, India
4. Chemical Engineering Department, University of Calcutta, Kolkata, West Bengal, India
5. Department of Medicine, The Calcutta Homeopathic Medical College and Hospital, Kolkata, West Bengal, India
6. Department of Organon of Medicine, National Institute of Homeopathy, Kolkata (under Ministry of AYUSH, Govt. of India), Kolkata, West Bengal, India
7. Department of Medicine, Mahesh Bhattacharyya Homoeopathic Medical College and Hospital, Howrah, West Bengal, India