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. 2019 May 17;19(10):2287. doi: 10.3390/s19102287

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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2D displacements of (top) the surgeon ( $s u r g e o n_{1}$ ), (middle) the operating room nurse ( $n u r s e_{1}$ ), and (bottom ) the anesthetist nurse ( $a n e s t h e t i s t_{1}$ ) over the whole cardiac surgery intervention.