Kollipara, R., et al. “Pediatric Zoster: Two Cases and a Review of the Literature on the Changing Epidemiology of Herpes Zoster”. European Journal of Pediatric Dermatology, vol. 24, no. 3, Sept. 2014, pp. 148-52, https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/1030.