K.V. Gunavathy - Madurai Medical College
S. Vinoth - Sri Manakula Vinayagar Medical College and Hospital
R.S. Rimal Isaac - Noorul Islam University
B. Prakash - PG and Research Department of Physics, Arul Anandar College, Karumathur, 625 514, India
S. Valanarasu - PG and Research Department of Physics, Arul Anandar College, Karumathur, 625 514, India
Amira Ben Gouider Trabelsi - Princess Nourah bint Abdulrahman University
Mohd Shkir - King Khalid University
S. AlFaify - King Khalid University