Department of Pathology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, India

Pranjal Kalita, Biswajit Dey, Naveen Kumar R, Yookarin Khonglah, Vandana Raphael, Jaya Mishra, Evarisalin Marbaniang & Nirvana Thangjam

Department of Neurosurgery, All India Institute of Medical Sciences, Raipur, India

Binoy Kumar Singh

Department of Neurosurgery, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Shillong, India

Lamkordor Tyngkan

P.K. was responsible for Conception or Design of the work, Drafting the article, Critical revision of the article, Data Analysis and Interpretation, Data Collection. B.K.S. was responsible for Conception or Design of the work, Drafting the article, Critical revision of the article, Data Analysis and Interpretation, Data Collection. B.D. was responsible for Conception or Design of the work, Drafting the article, Critical revision of the article, Data Analysis and Interpretation, Data Collection. N.K.R. was responsible for Conception or Design of the work, Drafting the article, Critical revision of the article. L.T. was responsible for Drafting the article, Data Analysis and Interpretation, Data Collection. Y.K. was responsible for Conception or Design of the work, Drafting the article, Data Analysis and Interpretation. V.R. was responsible for Conception or Design of the work, Data Analysis and Interpretation, Data Collection. J.M. was responsible for Critical revision of the article, Data Analysis and Interpretation, Data Collection. E.M was responsible for Conception or Design of the work, Data Analysis and Interpretation, Data Collection. N.T. Conception or Design of the work, Data Analysis and Interpretation, Data Collection. All authors have read and approved the final version of the manuscript submitted for publication and testify to the originality, accuracy, and integrity of results presented and methods used in this study.

Correspondence to Pranjal Kalita.