c("tissue: skin", "age group: >=50 years", "treatment: BBL", "gender: female", "patient id: 1")
c("tissue: skin", "age group: >=50 years", "treatment: BBL", "gender: female", "patient id: 2")
c("tissue: skin", "age group: >=50 years", "treatment: BBL", "gender: female", "patient id: 3")
c("tissue: skin", "age group: >=50 years", "treatment: BBL", "gender: female", "patient id: 4")
c("tissue: skin", "age group: >=50 years", "treatment: BBL", "gender: female", "patient id: 5")
c("tissue: skin", "age group: >=50 years", "treatment: none", "gender: female", "patient id: 1")
c("tissue: skin", "age group: >=50 years", "treatment: none", "gender: female", "patient id: 2")
c("tissue: skin", "age group: >=50 years", "treatment: none", "gender: female", "patient id: 3")
c("tissue: skin", "age group: >=50 years", "treatment: none", "gender: female", "patient id: 4")
c("tissue: skin", "age group: >=50 years", "treatment: none", "gender: female", "patient id: 5")
c("tissue: skin", "age group: <=30 years", "gender: female")
c("tissue: skin", "age group: <=30 years", "gender: female")
c("tissue: skin", "age group: <=30 years", "gender: female")
c("tissue: skin", "age group: <=30 years", "gender: female")
c("tissue: skin", "age group: <=30 years", "gender: female")