Assertion: psoriasis's form | /r/CapableOf | affect the individual
Facets:
value: by calculating the total skin surface
type: MANNER
Source sentences:
text: The severity of psoriasis does vary between the different forms of the disease, to properly assess the form that is affecting the individual in question by the psoriasis area and severity index as well as by calculating the total skin surface that is affected (Tampa, M., et al., 2017).