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Article History

Received: 26 February 2018

Accepted: 22 May 2018

First Online: 12 June 2018

Ethics approval and consent to participate

: Not applicable.

: AC, FM, JGL, TP, and FVH declare that they have no competing interests. CG received fees for consultancies or lectures from Orion Pharma, ResMed, Medtronic, Philips, Air Liquide, and EOVE (all unrelated to the present work). GB received fees for lectures from Draeger Medical, GE Healthcare, and Pfizer; research grants from Draeger Medical; and is president and a shareholder of ReviewerCredits S.R.L. (all unrelated to the present work). AG received fees for consultancies or lectures from Orion, Pfizer, and MSD (all unrelated to the present work). MA received research grants from Toray, GE Healthcare, and Orion and participated on the boards and received personal fees from Maquet, Pfizer, and MSD (all unrelated to the present work). AP received fees from Maquet, Novalung, Xenios, Baxter, and Boerhinger Ingelheim (all unrelated to the present work). GG received fees for lectures from Thermo Fisher Scientific and Pfizer and travel accommodation support from Maquet and Biotest (all unrelated to the present work).

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