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Table 1 Eligibility criteria. Study participants were subject to the following inclusion and exclusion criteria.

From: UVB phototherapy in an outpatient setting or at home: a pragmatic randomised single-blind trial designed to settle the discussion. The PLUTO study

Inclusion criteria:
1. Guttate or plaque psoriasis, clinically eligible for narrowband UVB (TL-01) phototherapy;
2. Willing to undergo treatment according to randomisation.
Exclusion criteria:
1. No informed consent:
   • age below 18 years;
   • not willing to accept one of the two treatments offered;
2. Practical reasons:
   • not able to receive one of the two treatments offered (e.g. lack of space at home/living too far from hospital etc.);
   • analphabetism (unable to read the patient information and the questionnaires, unable to provide written answers and written informed consent);
   • lack of command of the Dutch language;
   • not in possession of a telephone.
3. Expected non-compliance:
   lack of understanding of what the study/treatment is about, and its potential consequences.
4. Medical contraindications:
   • Malignancy of the skin in the past/at present;
   • known UVB-allergy or chronic polymorphic photodermatosis;
   • use (at time of inclusion) of medication with known phototoxic or photoallergic properties;
   • use (at time of inclusion) of systemic antipsoriatic medication (cyclosporin, methotrexate, neotigason, fumaric acid);
   • history of exposure to ionising radiation.