1. Molecular and Human Genetics Division, Indian Institute of Chemical Biology, Kolkata, India
2. Nil Ratan Sircar Medical College and Hospital, Kolkata, India
3. Peerless Hospital and B.K. Roy Research Centre, Kolkata, India
4. Department of Medicine, Calcutta National Medical College, Kolkata, India
5. Department of General Medicine, Sri Aurobindo Seva Kendra, Kolkata, India