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Ibanez B, James S, Agewall S, Antunes MJ, Bucciarelli-Ducci C, Bueno H, et al. 2017 ESC guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation. <i>Eur Heart J<\/i> 2018; 39: 119\u2013177.","DOI":"10.1093\/eurheartj\/ehx393"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Steg PG, James SK, Atar D, Badano LP, Lundqvist CB, Borger MA, et al. ESC guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation. <i>Eur Heart J<\/i> 2012; 33: 2569\u20132619.","DOI":"10.1093\/eurheartj\/ehs215"},{"key":"3","unstructured":"3. O\u2019Gara PT, Kushner FG, Ascheim DD, Casey DE, Chung MK, De Lemos JA, et al. 2013 ACCF\/AHA guideline for the management of ST-elevation myocardial infarction: Executive summary <i>J Am Coll Cardiol<\/i> 2013; 61: 485\u2013510."},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Park J, Choi KH, Lee JM, Kim HK, Hwang D, Rhee TM, et al. Prognostic implications of door-to-balloon time and onset-to-door time on mortality in patients with ST-segment-elevation myocardial infarction treated with primary percutaneous coronary intervention. <i>J Am Heart Assoc<\/i> 2019; 8: e012188.","DOI":"10.1161\/JAHA.119.012188"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Zeng J, Huang J, Pan L. How to balance acute myocardial infarction and COVID-19: The protocols from Sichuan Provincial People\u2019s Hospital. <i>Intensive Care Med<\/i> 2020; 46: 1111\u20131113.","DOI":"10.1007\/s00134-020-05993-9"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Garcia S, Albaghdadi MS, Meraj PM, Schmidt C, Garberich R, Jaffer FA, et al. Reduction in ST-segment elevation cardiac catheterization laboratory activations in the United States during COVID-19 pandemic [Letter]. <i>J Am Coll Cardiol<\/i> 2020; 75: 2871\u20132872.","DOI":"10.1016\/j.jacc.2020.04.011"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7. Welt FGP, Shah PB, Aronow HD, Bortnick AE, Henry TD, Sherwood MW, et al. Catheterization laboratory considerations during the coronavirus (COVID-19) pandemic: From ACC\u2019s Interventional Council and SCAI. <i>J Am Coll Cardiol<\/i> 2020; 75: 2372\u20132375.","DOI":"10.1016\/j.jacc.2020.03.021"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Tam CCF, Cheung KS, Lam S, Wong A, Yung A, Sze M, et al. Impact of coronavirus disease 2019 (COVID-19) outbreak on ST-segment-elevation myocardial infarction care in Hong Kong, China. <i>Circ Cardiovasc Qual Outcomes<\/i> 2020; 13: e006631.","DOI":"10.1161\/CIRCOUTCOMES.120.006631"},{"key":"9","unstructured":"9. Ministry of Health Singapore. Updates on covid-19 (coronavirus disease 2019) local situation. Ministry of Health, Singapore, 2020. https:\/\/www.moh.gov.sg\/covid-19 (accessed March 31, 2020)."},{"key":"10","unstructured":"10. Chang Ai-Lien SK. Coronavirus: Singapore ups outbreak alert to orange as more cases surface with no known links: More measures in force. <i>Straits Times<\/i> 7 February 2020. https:\/\/www.straitstimes.com\/singapore\/coronavirus-outbreak-alert-upped-to-orange-as-more-cases-surface-with-no-known-links-more (accessed March 31, 2020)."},{"key":"11","unstructured":"11. Khalik S. Singapore raises coronavirus outbreak alert to orange: What does it mean? <i>Straits Times<\/i> 7 February 2020. https:\/\/www.straitstimes.com\/singapore\/health\/coronavirus-new-measures-to-kick-in-as-singapore-moves-to-code-orange (accessed March 31, 2020)."},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Roffi M, Guagliumi, Ibanez B. The obstacle course of reperfusion of STEMI in the COVID-19 pandemic. <i>Circulation<\/i> 2020; 141: 1951\u20131953.","DOI":"10.1161\/CIRCULATIONAHA.120.047523"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Shavadia JS, Roe MT, Chen AY, Lucas J, Fanaroff AC, Kochar A, et al. association between cardiac catheterization laboratory pre-activation and reperfusion timing metrics and outcomes in patients with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention: A report from the ACTION Registry. <i>JACC Cardiovasc Interv<\/i> 2018; 11: 1837\u20131847.","DOI":"10.1016\/j.jcin.2018.07.020"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. Hartikainen TS, S\u00f6rensen NA, Haller PM, Go\u00dfling A, Lehmacher J, Zeller T, et al. Clinical application of the 4th Universal Definition of Myocardial Infarction. <i>Eur Heart J<\/i> 2020; 41: 2209\u20132216.","DOI":"10.1093\/eurheartj\/ehaa035"},{"key":"15","unstructured":"15. Ministry of Health Singapore. Revision of suspect case definition for 2019 Novel Coronavirus (2019-nCoV). 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Swaminathan RV, Wang TY, Kaltenbach LA, Kim LK, Minutello RM, Bergman G, et al. Nonsystem reasons for delay in door-to-balloon time and associated in-hospital mortality: A report from the national cardiovascular data registry. <i>J Am Coll Cardiol<\/i> 2013; 61: 1688\u20131695.","DOI":"10.1016\/j.jacc.2012.11.073"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Claeys MJ, Argacha JF, Collart P, Carlier M, Van Caenegem O, Sinnaeve PR, et al. Impact of COVID-19-related public containment measures on the ST elevation myocardial infarction epidemic in Belgium: A nationwide, serial, cross-sectional study. <i>Acta Cardiol<\/i>, doi:10.1080\/00015385.2020.1796035.","DOI":"10.1080\/00015385.2020.1796035"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Reinstadler SJ, Reindl M, Lechner I, Holzknecht M, Tiller C, Roithinger FX, et al. Effect of the COVID-19 pandemic on treatment delays in patients with ST-segment elevation myocardial infarction. <i>J Clin Med<\/i> 2020; 9: E2183.","DOI":"10.3390\/jcm9072183"},{"key":"21","doi-asserted-by":"publisher","unstructured":"21. Hammad TA, Parikh M, Tashtish N, Lowry CM, Gorbey D, Forouzandeh F, et al. Impact of COVID-19 pandemic on ST-elevation myocardial infarction in a non-COVID-19 epicenter. <i>Catheter Cardiovasc Interv<\/i>, doi:10.1002\/ccd.28997.","DOI":"10.1002\/ccd.28997"},{"key":"22","doi-asserted-by":"crossref","unstructured":"22. Patel M, Dunford JV, Aguilar S, Castillo E, Patel E, Fisher R, et al. Pre-hospital electrocardiography by emergency medical personnel: Effects on scene and transport times for chest pain and ST-segment elevation myocardial infarction patients. <i>J Am Coll Cardiol<\/i> 2012; 60: 806\u2013811.","DOI":"10.1016\/j.jacc.2012.03.071"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23. Dauerman HL, Bates ER, Kontos MC, Li S, Garvey JL, Henry TD, et al. Nationwide analysis of patients with ST-segment-elevation myocardial infarction transferred for primary percutaneous intervention: Findings from the American Heart Association Mission: Lifeline Program. <i>Circ Cardiovasc Interv<\/i> 2015; 8: e002450.","DOI":"10.1161\/CIRCINTERVENTIONS.114.002450"},{"key":"24","doi-asserted-by":"crossref","unstructured":"24. Ng Y, Li Z, Chua YX, Chaw WL, Zhao Z, Er B, et al. Evaluation of the effectiveness of surveillance and containment measures for the first 100 patients with COVID-19 in Singapore: January 2\u2013February 29, 2020. <i>Morb Mortal Wkly Rep<\/i> 2020; 69: 307\u2013311.","DOI":"10.15585\/mmwr.mm6911e1"},{"key":"25","unstructured":"25. Ministry of Health, Singapore. 29 more cases discharged; 142 new cases of COVID-19 infection confirmed. 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