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. 2020 Jun 6;158(4):1499–1514. doi: 10.1016/j.chest.2020.05.571

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© 2020 Published by Elsevier Inc under license from the American College of Chest Physicians.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Voting results for the recommendations and remarks. AGP = aerosol generating procedure; COVID-19 = coronavirus disease 2019; HCW = health-care worker; HEPA = high-efficiency particulate air; OR = operating room; OST = open surgical tracheostomy; PDT = percutaneous dilatational tracheostomy; PPE = personal protective equipment; RT-PCR = reverse transcription polymerase chain reaction.