Acknowledgement
This study is part of a project funded by a grant to AG from the Indian Council of Medical Research. OM as an independent investigator is funded by the National Centre for Biological Sciences (TIFR) and Department of Biotechnology. The authors would like to thank the Geriatric Clinic, National Institute of Mental Health and Neurosciences, Bangalore and Sanjeev Jain for providing us with well characterized controls for genotyping. GD is a junior research fellow supported by grants in aid from the Indian Council of Medical Research and Department of Biotechnology. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors acknowledge the contribution of Pradip Paul for his valuable inputs to GD during genotyping.
Declaration of interest
The authors have no conflicts of interest to declare.