H.-H. Horsten, M. Kemp, T. K. Fischer, K. H. Lindahl, and A. Bygum, “Atypical Hand, Foot, and Mouth Disease Caused by Coxsackievirus A6 in Denmark: A Diagnostic Mimicker”, Acta Derm Venereol, vol. 98, no. 3, pp. 350–354, Dec. 2017.