[1] Indian Inst Technol, Dept Comp Sci & Engn, Jodhpur, Rajasthan, India
[2] All India Inst Med Sci, Dept Pathol, Jodhpur, Rajasthan, India
[3] All India Inst Med Sci, Dept Otorhinolaryngol, Jodhpur, Rajasthan, India
[4] All India Inst Med Sci, Dept Physiol, Jodhpur 342005, Rajasthan, India