The investigator's goal is to improve the patient's compliance and accurate capture of patient reported gas and bloating symptoms, by utilizing a phone application that interactively records each gas and bloating event in addition to bowel events and other bowel symptoms. Such an electronic stool diary may relieve the burden of using a paper daily stool diary. The investigator will compare and validate the electronic gas and bloating diary with the paper gas and bloating diary.
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Correlation of electronic APP diary information with paper form gas and bloating diary in healthy subjects
Timeframe: 2 weeks each
Correlation of electronic APP diary information with paper form gas and bloating diary in gas and bloating subjects
Timeframe: 2 weeks each