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Article History

Received: 12 March 2018

Accepted: 5 April 2018

First Online: 7 May 2018

Ethics approval and consent to participate

: Not applicable

: Vitalaire, Canada is a provider of medical air systems and monitoring services. PE and PAT works in Vitalaire-Canada, whereas IK is part of Medical R&D of Air Liquide Santé International.

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