name,idnumber,description,category
cohort name 1,cid1,first description,
cohort name 2,cid2,,
cohort name 3,cid3,,Category 1
cohort name 4,cid4,,CAT1
cohort name 5,cid5,,CAT2
cohort name 6,cid6,,CAT3
cohort name 7,cid7,,CAT1
cohort name 8,cid8,,CAT2
cohort name 9,cid9,,CAT3
cohort name 10,cid10,,CAT1
cohort name 11,cid11,,CAT2
cohort name 12,cid1,,CAT3