1. Assistant Professor, Department of Community Medicine, Midnapore Medical College, Midnapore, West Bengal, India
2. Associate Professor, Department of Community Medicine, Medical College, Kolkata, West Bengal, India
3. Associate Professor and Head, Department of Community Medicine, Midnapore Medical College, Midnapore, West Bengal, India
4. Assistant Professor, Department of Community Medicine, Dr. BC Roy Multi-Speciality Research Centre, IIT, Kharagpur, West Bengal, India
5. Professor and Head, Department of Community Medicine, Medical College, Kolkata, West Bengal, India