1. Department of Medical Genetics, Faculty of Allied Health Science, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu, India
2. Department of Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, Tamil Nadu, India
3. Department of Microbiology, Karpaga Vinayaga Institute of Medical Sciences and Research Centre, Chengalpattu, Tamil Nadu, India