β-Blockers in Chronic Obstructive Pulmonary Disease—Walking the Tightrope

Graham Devereux, MD; Seonaidh Cotton, PhD; Mintu Nath, PhD; Nicola McMeekin, PhD; Karen Campbell, MSc; Rekha Chaudhuri, MD; Gourab Choudhury, MD; Anthony De Soyza, PhD; Shona Fielding, PhD; Simon Gompertz, MD; John Haughney, MD; Amanda J. Lee, PhD; Graeme MacLennan, MSc; Alyn Morice, MD; John Norrie, MSc; David Price, MD; Philip Short, MD; Jorgen Vestbo, MD; Paul Walker, MD; Jadwiga Wedzicha, MD; Andrew Wilson, MD; Olivia Wu, PhD; Brian J. Lipworth, MD