[1]
S. Christoph, S. Cazzaniga, R. . E. Hunger, L. Naldi, L. Borradori, and P. . A. Oberholzer, “Ultraviolet radiation protection and skin cancer awareness in recreational athletes: a survey among participants in a running event”, Swiss Med Wkly, vol. 146, no. 1112, p. w14297, Mar. 2016.