Health related quality of life of tuberculosis patients in South India: A longitudinal assessment study - Vasantha Mahalingam; Muniyandi Malaisamy; Bella Devaleenal Daniel; Adhin Bhaskar; Lavanya Jayabal; Lakshmi Murali; Bharadhidasan Palani; Kavi Mathiyazhagan; Sai Madhu Yadla; Padmanaban Srinivasan; Ponnuraja Chinnaiyan (PLoS ONE)