I Dr. Yati Vaidya, professeur assistant au département de microbiologie, Shri A. N Patel P. G. Institute of Science and Research, Anand, Gujarat.I Mme Namrata Sathwara, étudiante, Shri A. N Patel P. G. Institute of Science and Research, Anand, Gujarat.I Mme Simran Panjabi, professeur adjoint ad hoc au département de microbiologie, SANPPGI, Anand, Gujarat.