1. Department of Applied Mechanics and Biomedical Engineering, Indian Institute of Technology Madras 1 , Chennai 600036, India
2. Department of Neurosurgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology 2 , Thiruvananthapuram 695011, India
3. Department of Imaging Sciences and Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology 3 , Thiruvananthapuram 695011, India