Shyam Sundar Radheshyam Maurya Rakesh K Singh K Bharti Jaya Chakravarty Ashish Parekh Madhukar Rai Kailash Kumar Henry W Murray

masaya saito division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan; division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan. tel: +81-783826305, fax: +81-783826309 yoshihiko yano division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan; center for infectious diseases, kobe university graduate school of medicine, kobe, japan hirotaka hirano division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan kenji momose division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan masaru yoshida division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan; division of metabolomics research, department of internal medicine, kobe university graduate school of medicine, kobe, japan takeshi azuma division of gastroenterology, department of internal medicine, kobe university graduate school of medicine, kobe, japan