1. North Bengal Medical College and Hospital, Siliguri, West Bengal, India
2. Department of Cardiovascular Research, Larkin Community Hospital, South Miami, FL, USA
3. Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal
4. Department of Microbiology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune, Maharashtra, India