Correction: Disability and its association with sociodemographic factors among elderly persons residing in an urban resettlement colony, New Delhi, India. - Goswami, Anil Kumar; Ramadass, Sathiyamoorthy; Kalaivani, Mani; Nongkynrih, Baridalyne; Kant, Shashi; Gupta, Sanjeev Kumar (PLoS ONE, 2019)