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Article History

Received: 4 July 2020

Accepted: 27 October 2020

First Online: 2 November 2020

Ethics approval and consent to participate

: Due to the emergency nature of our experience, maturated during the first month of nationwide lockdown restrictions, we were unable to obtain formal ethical committee approval. This manuscript does not report any patient datum or provide recommendation on the effectiveness or safety of the prototype device but rather summarizes key steps involved in a prototype development. We are now developing a research study protocol to test pulse oximeters developed through FabLab facilities but we sincerely hope that there is no need to start a new study.

: Not applicable.

: The authors declare that they have no competing interests.