Simpson, Andrew J., Honkoop, Persijn J., Kennington, Erika, Snoeck-Stroband, Jiska B., Smith, Ian, East, Jessica, Coleman, Courtney, Caress, Ann, Chung, Kian Fan, Sont, Jacob K., Usmani, Omar, Fowler, Stephen J., "Perspectives of patients and healthcare professionals on mHealth for asthma self-management", European Respiratory Journal, 2017