1. Attending Consultant, Department of Emergency Medicine, Ruby General Hospital, Kolkata, India.
2. Consultant, Department of Genereal Medicine, Vadilal Sarabhai General Hospital, Ahemdabad.
3. Attending Consultant, Department of Critical Care Medicine, Ruby General Hospital, Kolkata, India.
4. i Senior Resident, Department of General Medicine, Peerless Hospital and B.K. Roy Research Center, Kolkata, India
5. DNB General Medicine Trainee, Peerless Hospital and B.K. Roy Research Center, Kolkata, India