**Author details**

Sonia Bhonchal Bhardwaj1 \* and Seema Kumari<sup>2</sup>

1 Department of Microbiology, Dr. Harvansh Singh Judge Institute of Dental Sciences and Hospital, Panjab University, Chandigarh, India

2 Department of Microbiology, Panjab University, Chandigarh, India

\*Address all correspondence to: sbbhardwaj2002@yahoo.com

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