Comparison of the accuracy of human readers versus machine-learning algorithms for pigmented skin lesion classification: an open, web-based, international, diagnostic study. - Tschandl P; Codella N; Akay BN; Argenziano G; Braun RP; Cabo H; Gutman D; Halpern A; Helba B; Hofmann-Wellenhof R; Lallas A; Lapins J; et al. (The Lancet. Oncology, 2019)