preferred_name: Canities prematura (premature whitening of hair, onset 6-23 years)
preferred_name_lc: canities prematura (premature whitening of hair, onset 6-23 years)
label: Canities prematura (premature whitening of hair, onset 6-23 years)
label_lc: canities prematura (premature whitening of hair, onset 6-23 years)