Heenan, Phoebe, Creemers, Rob H., Talley, Nicholas J., Roy, Nicole, Gearry, Richard B., Sharma, Shriya, Keenan, Jacqueline, Bayer, Simone, Young, Wayne, Cooney, Janine, Armstrong, Kelly, Fraser, Karl, Skidmore, Paula M.. S. Karger AG; 2020. Cohort Profile: The Christchurch IBS cOhort to investigate Mechanisms for gut Relief and improved Transit (COMFORT).