P238 A Randomised, Double-Blind (Sponsor-Unblind), Placebo Controlled, Cross-over Study to Investigate the Efficacy, Effect on Cough Reflex Sensitivity, Safety, Tolerability and Pharmacokinetics of Inhaled GSK2339345 in Patients with Chronic Idiopathic Cough Using an Aqueous Droplet Inhaler: Abstract P238 Table 1