Guideline on allergen-specific immunotherapy in IgE-mediated allergic diseases: S2k - Pfaar, O; Bachert, C; Bufe, A; Buhl, R; Ebner, C; Eng, P; Friedrichs, F; Fuchs, T; Hamelmann, E; Hartwig-Bade, D; Hering, T; Huttegger, I; Jung, K; Klimek, L; Kopp, M V; Merk, H; Rabe, U; Saloga, J; Schmid-Grendelmeier, P; Schuster, A; Schwerk, N; Sitter, H; Umpfenbach, U; Wedi, B; Wöhrl, S; Worm, M; Kleine-Tebbe, J; Kaul, S; Schwalfenberg, A (Allergo J Int, 2014)