Nupur Aggarwal, Beatriz Martinez Delgado, Sandeep Salipalli, Nerea Matamala, Jessica Rademacher, Nicolaus Schwerk, Tobias Welte, Sabina Janciauskeine, Felix Ringhausen
Journal Ref: ERJ Open Research 2016 2: 00021-2016; DOI: 10.1183/23120541.00021-2016