1. National Psoriasis Foundation. Psoriasis overview and psoriasis statistics. 2015. https://www.psoriasis.org/ . Accessed 15 Oct 2015.
2. Bronckers IM, Paller AS, van Geel MJ, et al. Psoriasis in children and adolescents: diagnosis, management and comorbidities. Paediatr Drugs. 2015;17(5):373–84.
3. Boehncke WH, Schon MP. Psoriasis. Lancet. 2015;386(9997):983–94.
4. NICE. Psoriasis: the assessment and management of psoriasis (NICE guidelines [CG153]). 2012. http://www.nice.org.uk/guidance/cg153 . Accessed 15 Oct 2015.
5. European Dermatology Forum (EDF). European S3-guidelines on the systemic treatment of psoriasis vulgaris: update 2015. 2015. http://www.euroderm.org/edf/ . Accessed 13 Oct 2015.