    ‘Senterice 4) They ‘used™ discarded: ‘skin  from”. cofisenting . patients | who: had  undergone: surgery and. exposed. it to  UVA Tight at intensities similar to that  of. sunlight. .    Sentence 2 Sanders and. colleagues. at  RAFT. exposed “skin: sariplés. removed  from | - consenting ..’ patients .”- during  surgery. to’ UVA. fight : at intensities  Similar to that of .sunlight::