Assessment of causal link between psychological factors and symptom exacerbation in inflammatory bowel disease: a protocol for systematic review of prospective cohort studies

Table 1 Screening check list for inclusion to review

Title
	Yes	No	Unsure
Human
English language
Prospective cohort study
Reporting on psychological factors in IBD, UC or CD and disease symptoms
Psychological variables (exposure) defined
Disease activity and symptom exacerbation measures clearly defined

ISSN: 2046-4053