1 name,idnumber,description,category,visible
2 cohort name 1,cohortid1,first description,,
3 cohort name 2,cohortid2,,,
4 cohort name 3,cohortid3,,Category 1,no
5 cohort name 4,cohortid4,,CAT1,yes
6 cohort name 5,cohortid5,,CAT2,0
7 cohort name 6,cohortid6,,CAT3,1