Department of Operational Research, University of Delhi, University of Delhi - Maharaja Agrasen College and Indian Council of Medical Research (ICMR) - National Institute of Medical Statistics

All India Institute of Medical Sciences (AIIMS) - Department of Microbiology, Indian Council of Medical Research (ICMR) - Division of Epidemiology and Communicable Diseases, P.D. Hinduja Hospital and Medical Research Centre - Department of Microbiology, Christian Medical College - Department of Pulmonary Medicine, All India Institute of Medical Sciences (AIIMS) - Department of Microbiology, All India Institute of Medical Sciences (AIIMS) - Department of Microbiology, Indian Council of Medical Research (ICMR) - National Institute of Medical Statistics, All India Institute of Medical Sciences (AIIMS) - Department of Microbiology, Indian Council of Medical Research (ICMR) - National Institute of Medical Statistics, PD Hinduja National Hospital and Medical Research Centre, PD Hinduja National Hospital and Medical Research Centre, Christian Medical College, Christian Medical College, Christian Medical College, Rajan Babu Institute for Pulmonary Medicine and Tuberculosis, All India Institute of Medical Sciences (AIIMS) - Department of Gastroenterology and Human Nutrition and All India Institute of Medical Sciences (AIIMS) - Department of Gastroenterology and Human Nutrition

Indian Council of Medical Research (ICMR) - National Institute of Medical Statistics, Indian Council of Medical Research (ICMR) - Rajendra Memorial Research Institute of Medical Sciences, Gandhi Institute of Technology and Management, Indian Council of Medical Research (ICMR) and Please see PDF for full list of authors & affiliations