“…These patients were most probably representing type 1 psoriasis, which has a positive family history, starts before age 40, and is associated with HLA-Cw6, while type 2 psoriasis does not show a family history, presents after age 40, and is not associated with HLA-Cw6 [ 15 ]. Further, there was also an overrepresentation of women, which is very common in online studies [ 16 , 17 ]. The conversion of the self-assessment scale from a 0–10 scale to a 0–4 scale could introduce some inaccuracies.…”