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Submitted on: 01 June 2001.
Revised on: 23 September 2001.
Accepted on: 16 November 2001.
___________________JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION
Submitted on: 29 November 2021.
Revised on: 27 February 2022.
Accepted on: 28 March 2022.
___________________JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION