Response to: 'Omalizumab for the treatment of chronic idiopathic or spontaneous urticaria: a critical appraisal'. (1st July 2014) - Rosén, K.; Maurer, M.; Hsieh, H.; Saini, S.; Grattan, C.; Gimenéz‐Arnau, A.; Agarwal, S.; Doyle, R.; Canvin, J.; Kaplan, A.; Casale, T.