E. Sotiriou, A. Patsatsi, C. Fotiadou, D. Sotiriadis, and D. Panagiotidou, “Tacrolimus ointment 0.1% in the treatment of active patchy alopecia areata of childhood”., Eur. J. Pediat. Dermatol., vol. 17, no. 4, pp. 227–230, Dec. 2007.