Propranolol in the treatment of infantile haemangiomas: lessons from the European Propranolol In the Treatment of Complicated Haemangiomas ( PITCH) Taskforce survey - Wedgeworth, E; Glover, M; Irvine, A D; Neri, I; Baselga, E; Clayton, T H; Beattie, P E; Bjerre, J V; Burrows, N P; Foelster-Holst, R; Hedelund, L; Hernandez-Martin, A; Audrain, H; Bhate, K; Brown, S J; Baryschpolec, S; Darne, S; Durack, A; Dvorakova, V; Gach, J (Br J Dermatol, 2016)