“…Secondarily, our objective was to complement the previous COI review The search resulted 39 hits, however 15 studies were excluded as these did not focus on psoriasis (N=8) (Borman et al, 2007, Esmail et al, 2015, Guler et al, 2015, Nas et al, 2017, Saad et al, 2011, Talli et al, 2016, Turan et al, 2009, Ullbro et al, 2003, were neither HRQOL nor cost-of-illness studies (N=4) (Ammar-Khodja et al, 2015, Demirel et al, 2013, El-Darouti et al, 2015, Gokdemir et al, 2008, did not report original studies (N=2) or were not from the selected 20 countries (N=1). (Mork et al, 2004) None of the studies reported COI results in psoriasis.…”