Is ultraviolet exposure acquired at work the most important risk factor for cutaneous squamous cell carcinoma?: results of the population‐based case–control study FB‐181 - Schmitt, Jochen Maximilian; Haufe, Eva; Trautmann, Freya; Elsner, Peter; Drexler, Hans; Bauer, Andrea; Letzel, Stephan; John, Sven Malte; Fartasch, Manigé; Brüning, Thomas; Bachmann, Klaus; Bruhn, Ilka; et al. (British journal of dermatology, 2018)