1 Dept of ENT and Head & Neck Surgery, All India Institute of Medical Sciences Mangalagiri, 522503, Guntur, Andhra Pradesh, India. saty.bakshi@gmail.com.
2 , House 1A, Selvam apartments, 71 Krishna nagar main road, 605008, Pondicherry, India. saty.bakshi@gmail.com.
3 Dept of ENT and Head & Neck Surgery, All India Institute of Medical Sciences Mangalagiri, 522503, Guntur, Andhra Pradesh, India.