1 Department of Clinical Psychopharmacology & Neurotoxicology, Geriatric Psychiatry Unit, National Institute of Mental Health & Neurosciences, Bengaluru 560 029, India.
2 Department of Psychiatry, Geriatric Psychiatry Unit, National Institute of Mental Health & Neurosciences, Bengaluru 560 029, India.
3 National Institute of Nursing Education, Post Graduate Institute of Medical Education & Research, Chandigarh 160 012, India.
4 Institute of Psychiatry & Neurosciences, Columbus Hospital, Hyderabad 500 013, Telangana, India.