1 Assistant Professor, Department of Neurology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand; Department of Neurology, All India Institute of Medical Sciences, New Delhi, Delhi.
2 Additional Professor.
3 Senior Resident.
4 Assistant Professor.
5 Assistant Professor, Department of Neurology.
6 Professor, Department of Transfusion Medicine, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.