C. van Scheppingen, A. T. Lettinga, J. C. Duipmans, C. G. Maathuis, and M. F. Jonkman, “Main Problems Experienced by Children with Epidermolysis Bullosa: a Qualitative Study with Semi-structured Interviews”, Acta Derm Venereol, vol. 88, no. 2, pp. 143–150, Jan. 2008.