Prevalence of FODMAP Intolerance and JHS in FGID and Association With Microbiome, Dyssynergic Defecation and Dietary Intervention (PreDiMi) March 9, 2018https://clinicaltrials.gov/ct2/show/NCT03460613 Prevalence of FODMAP Intolerance and JHS in FGID and Association With Microbiome, Dyssynergic Defecation and Dietary Intervention (PreDiMi)