1. Development and internal validation of a clinical rule to improve antibiotic use in children presenting to primary care with acute respiratory tract infection and cough: a prognostic cohort study 
Prof Alastair D Hay, FRCGP, Niamh M Redmond, PhD, Sophie Turnbull, MSc, Hannah Christensen, PhD, Hannah Thornton, PhD, Prof Paul Little, FMedSci, Prof Matthew Thompson, PhD, Prof Brendan Delaney, MD, Andrew M Lovering, PhD, Peter Muir, PhD, John P Leeming, PhD, Barry Vipond, PhD, Beth Stuart, PhD, Prof Tim J Peters, FMedSci, Peter S Blair, PhD 
The Lancet Respiratory Medicine 
Volume 4, Issue 11, Pages (November 2016)
DOI: /S (16)
Copyright © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND license Terms and Conditions

2. Figure 1
Flow chart
*Other reasons include perceived difficulties with completing symptom diary, language barriers, another child was already recruited, person attending with the child was not their carer, concerns about access to medical records, and child had complex needs.
The Lancet Respiratory Medicine 2016 4, DOI: ( /S (16) )
Copyright © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND license Terms and Conditions

3. Figure 2
Final model receiver operator characteristic curves for (A) coefficient and (B) points-based models
The Lancet Respiratory Medicine 2016 4, DOI: ( /S (16) )
Copyright © 2016 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND license Terms and Conditions