1. Bhate K, Williams HC. Epidemiology of acne vulgaris. Br J Dermatol. 2013; 168:474–485.
Article
2. Bree AF, Siegfried EC. Acne vulgaris in preadolescent children: recommendations for evaluation. Pediatr Dermatol. 2014; 31:27–32.
Article
3. Cantatore-Francis JL, Glick SA. Childhood acne: evaluation and management. Dermatol Ther. 2006; 19:202–209.
Article
4. Lucky AW, Biro FM, Huster GA, Leach AD, Morrison JA, Ratterman J. Acne vulgaris in premenarchal girls. An early sign of puberty associated with rising levels of dehydroepiandrosterone. Arch Dermatol. 1994; 130:308–314.
Article
5. Lucky AW. A review of infantile and pediatric acne. Dermatology. 1998; 196:95–97.
6. Plewig G, Kligman AM. Acne and rosacea. 2nd ed. Berlin: Springer-Verlag;1993. p. 674–675.
7. Sardana K, Sharma RC, Sarkar R. Seasonal variation in acne vulgaris--myth or reality. J Dermatol. 2002; 29:484–488.
Article
8. Hancox JG, Sheridan SC, Feldman SR, Fleischer AB Jr. Seasonal variation of dermatologic disease in the USA: a study of office visits from 1990 to 1998. Int J Dermatol. 2004; 43:6–11.
Article
9. Karciauskiene J, Valiukeviciene S, Gollnick H, Stang A. The prevalence and risk factors of adolescent acne among schoolchildren in Lithuania: a cross-sectional study. J Eur Acad Dermatol Venereol. 2014; 28:733–740.
Article
10. Thiboutot D, Del Rosso JQ. Acne vulgaris and the epidermal barrier: is acne vulgaris associated with inherent epidermal abnormalities that cause impairment of barrier functions? Do any topical acne therapies alter the structural and/or functional integrity of the epidermal barrier? J Clin Aesthet Dermatol. 2013; 6:18–24.