Before revision:  The prediction of a quiescent state potentially explains the efficacy of the multi-episode UVB irradiation therapy and reoccurrence of psoriasis .
After revision:  The prediction of a quiescent state potentially explains the efficacy of the multi-episode UVB irradiation therapy and recurrence of psoriasis plaques, which can further guide designs of therapeutics that target the immune system and/or the keratinocytes .