1. Department of Microbiology, Sri Sathya Sai Institute of Higher Medical Sciences, Puttaparthi, India.
2. Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Puttaparthi, India.
3. Department of Cardiothoracic and Vascular Surgery, Sri Sathya Sai Institute of Higher Medical Sciences, Puttaparthi, India.
4. Hospital Infection Control Team, Sri Sathya Sai Institute of Higher Medical Sciences, Puttaparthi, India.
5. Department of Microbiology, Annapoorna Medical College and Hospital, Salem, India.