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Article History

Received: 2 March 2023

Accepted: 6 June 2023

First Online: 4 September 2023

Declarations

:

: This observational, cross-sectional, pilot study was approved by the Ethics Committee of IRCC Ospedale San Raffaele (Ref. 158/INT/2020). All procedures were performed in compliance with current national and international laws and regulations governing the use of human subjects (Declaration of Helsinki). The study protocol was registered at clinicaltrials.gov (Ref. No. NCT04638374). All subjects received clear explanation of purpose, methods, potential risks, and benefits of the study, and before the beginning of the experimental procedures, informed consent was obtained from all subjects involved in the study.

: Consent for publication was obtained by a subject to report His image, with darkened eyes, in Fig. InternalRef removed as example of MRI acquisition with the mattress.

: Two of the authors of this paper, JAV and SB, have disclosed potential conflicts of interest which include receipt of payment as scientific consultants by Dorelan B&T S.P.A. (Forlì, Italy). Nobody from that company participated in study design or in the collection, analysis, and interpretation of data. Data can be accessed directly only by authors.LMS and FG are a member of the <i>European Radiology Experimental</i> Editorial Board. They have not taken part in the review or selection process of this article.The are no further conflicts of interest to report.