1.Kenealy, T and Arroll, B (2013) Antibiotics for the common cold and acute purulent rhinitis. The Cochrane Database of Systematic Reviews 6, CD000247.
2.Fleming-Dutra, KE et al. (2016) Prevalence of inappropriate antibiotic prescriptions among US ambulatory care visits. 2010–2011. Journal of American Medical Association 315, 1864–1873.
3.Ebell, MH and Radke, T (2015) Antibiotic use for viral acute respiratory tract infections remains common. American Journal of Managed Care 21, e567–e575.
4.Fauci, AS and Marston, HD (2014) The perpetual challenge of antimicrobial resistance. Journal of American Medical Association 311, 1853–1854.
5.Donnelly, JP and Baddley, JW (2014) Antibiotic utilization for acute respiratory tract infections in US emergency departments. Antimicrobial Agents and Chemotherapy 58, 1451–1457.
7.Ashworth, M et al. (2004) Why has antibiotic prescribing for respiratory illness declined in primary care? A longitudinal study using the general practice research database. Journal of Public Health 26, 268–274.
8.Karras, D (2006) Antibiotic misuse in the emergency department. Academic Emergency Medicine 13, 331–333.
9.Costelloe, C et al. (2010) Effect of antibiotic prescribing in primary care on antimicrobial resistance in individual patients: systematic review and meta-analysis. British Medical Journal 340, c2096.
10.Hicks, LA et al. (2011) Outpatient antibiotic prescribing and non-susceptible Streptococcus pneumoniae in the United States. 1996–2003. Clinical Infectious Diseases 53, 631–639.
11.MacDougall, C and Polk, RE (2005) Antimicrobial stewardship programmes in health care systems. Clinical Microbiology Reviews 18, 638–656.
12.Roberts, RR et al. (2009) Hospital and societal costs of antimicrobial-resistant infections in a Chicago teaching hospital: implications for antibiotic stewardship. Clinical Infectious Diseases 49, 1175–1184.
13.Trinh, TD and Klinker, KP (2015) Antimicrobial stewardship in the emergency department. Infectious Diseases and Therapy 4, 39–50.
14.Sanchez, GV et al. (2016) Core elements of outpatient antibiotic stewardship. MMWR Recommendations and Reports 65, 1–12.
15.Cortoos, PJ et al. (2008) Opposing expectations and suboptimal use of a local antibiotic hospital guideline: a qualitative study. Journal of Antimicrobial Chemotherapy 62, 189–195.
16.Bernstein, SL et al. (2009) The effect of emergency department crowding on clinically oriented outcomes. Academic Emergency Medicine 16, 1–10.
17.Lee, W (2005) Antibiotic prescribing for patients with upper respiratory tract infections by emergency physicians in a Singapore tertiary hospital. Hong Kong Journal of Emergency Medicine 12, 70–76.
18.Schafermeyer, RW and Asplin, BR (2003) Hospital and emergency department crowding in the United States. Emergency Medicine (Fremantle) 15, 22–27.
19.May, L et al. (2014) Multisite exploration of clinical decision making for antibiotic use by emergency medicine providers using quantitative and qualitative methods. Infection Control and Hospital Epidemiology 35, 1114–1125.
20.Avorn, S and Solomon, DH (2000) Cultural and economic factors that (mis)shape antibiotic use: the non-pharmacologic basis of therapeutics. Annals of Internal Medicine 133, 128–135.
21.Broom, A, Broom, J and Kirby, E (2014) Cultures of resistance? A Bourdieusian analysis of doctors’ antibiotic prescribing. Social Science and Medicine 11, 81–88.
22.Pines, JM et al. (2007) Emergency department operational changes in response to pay for performance and antibiotic timing in pneumonia. Academic Emergency Medicine 14, 545–548.
23.Kumar, S, Little, P and Britten, N (2003) Why do general practitioners prescribe antibiotics for sore throat? Grounded theory interview study. British Medical Journal 326, 138.
24.Ong, S et al. (2007) Antibiotic use for emergency department patients with upper respiratory infections: prescribing practices, patient expectations, and patient satisfaction. Annals of Emergency Medicine 50, 213–220.
25.Studdert, DM et al. (2005) Defensive medicine among high-risk specialist physicians in a volatile malpractice environment. Journal of American Medical Association 293, 2609–2617.
26.Stearns, CR et al. (2009) Antibiotic prescriptions are associated with increased patient satisfaction with emergency department visits for acute respiratory tract infections. Academic Emergency Medicine 16, 934–941.
27.Malterud, K (2001) The art and science of clinical knowledge: evidence beyond measures and numbers. The Lancet 358, 397–400.
29.Paul, P et al. (2010) Predictors of frequent attenders of emergency department at an acute general hospital in Singapore. Emergency Medicine Journal 11, 843–848.
30.Aabenhus, R et al. (2014) Biomarkers as point-of-care tests to guide prescription of antibiotics in patients with acute respiratory infections in primary care. The Cochrane Database of Systematic Reviews 11, CD010130.
31.Hsia, RY, Kellermann, AL and Shen, YC (2011) Factors associated with closures of emergency departments in the United States. Journal of American Medical Association 305, 1978–1985.
32.Pines, JM et al. (2011) International perspectives on emergency department crowding. Academic Emergency Medicine 18, 1358–1370.
33.Charani, E et al. (2011) Behavior change strategies to influence antimicrobial prescribing in acute care: a systematic review. Clinical Infectious Diseases 53, 651–662.
34.Wen, LS et al. (2012) National inventory of emergency departments in Singapore. International Journal of Emergency Medicine 5, 38.
36.Namey, E et al. (2016) Evaluating bang for the buck: a cost-effectiveness comparison between individual interviews and focus groups based on thematic saturation levels. American Journal of Evaluation 37, 425–440.
37.Hennink, MM, Kaiser, BN and Marconi, VC (2017) Code saturation versus meaning saturation: how many interviews are enough? Qualitative Health Research 27, 591–608.
38.Guest, G and MacQueen, KM (2011) Applied Thematic Analysis, 2nd Edn. California: Sage.
39.McLeroy, KR et al. (1988) An ecological perspective on health promotion programs. Health Education Journal 15, 351–377.
40.Chow, AL and Lye, DC (2016) Patient and physician predictors of patient receipt of therapies recommended by a computerized decision support system when initially prescribed broad-spectrum antibiotics: a cohort study. Journal of American Medical Informatics Association 23, e58–e70.
41.May, L et al. (2013) Antimicrobial stewardship in the emergency department and guidelines for development. Annals of Emergency Medicine 62, 69–77.
42.De Souza, V et al. (2006) A qualitative study of factors influencing antimicrobial prescribing by non-consultant hospital doctors. Journal of Antimicrobial Chemotherapy 58, 840–843.
43.Flodgren, G et al. (2007) Local opinion leaders: effects on professional practice and health care outcomes. The Cochrane Database of Systematic Reviews 1, CD000125.
44.Mangione-Smith, R et al. (2015) Communication practices and antibiotic use for acute respiratory tract infections in children. Annals of Family Medicine 13, 221–227.
45.Korstjens, I and Moser, A (2018) Series: practical guidance to qualitative research. Part 4: trustworthiness and publishing. European Journal of General Practice 24, 120–124.