1. From the Society for Education, Action and Research in Community Health, Gadchiroli, India (Y.V.K.)
2. Department of Neurology, National Institute of Mental Health and Neurosciences, Bengaluru, India (S.A.)
3. Department of Neurology, Krishna Institute of Medical Sciences, Hyderabad, India (S.K.)
4. Department of Clinical Neurological Sciences, University of Western Ontario, Canada (V.H.).