Authors: Fernando J Martinez; MeiLan K Han; James P Allinson; R Graham Barr; Richard C Boucher; Peter M A Calverley; Bartolome R Celli; Stephanie A Christenson; Ronald G Crystal; Malin Fagerås; Christine M Freeman; Lars Groenke; Eric A Hoffman; Mehmet Kesimer; Kostantinos Kostikas; Robert Paine; Shahin Rafii; Stephen I Rennard; Leopoldo N Segal; Renat Shaykhiev; Christopher Stevenson; Ruth Tal-Singer; Jørgen Vestbo; Prescott G Woodruff; Jeffrey L Curtis; Jadwiga A Wedzicha Journal: Am J Respir Crit Care Med Date: 2018-06-15 Impact factor: 21.405