Inclusion Criteria:  Males and females >13 years old. Patient referred to the GI Motility clinic for suspected enteric dysmotility based on chronic refractory gastrointestinal symptoms English proficiency and literacy sufficient to sign consent.  Exclusion Criteria:  Pregnancy documented with a serum or urine pregnancy test. If participants believe that they are pregnant, they will need to notify a study physician who will order a serum or urine test for pregnancy and remove them from the study if the test results come back positive.