Affiliation: | (1) Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, 110 029, India;(2) Department of Microbiology, All India Institute of Medical Sciences, New Delhi, 110 029, India;(3) Department of Pathology, All India Institute of Medical Sciences, New Delhi, 110 029, India;(4) Centre for Diarrheal Diseases & Nutritional Research, All India Institute of Medical Sciences, New Delhi, 110 029, India;(5) Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, 110 029, India; |