Received: 3 June 2020
Accepted: 9 July 2020
First Online: 19 July 2020
Ethics approval and consent to participate
: This study was approved by appropriate regulatory committee in France (CNIL 2217488) and in Belgium (EC n°P2020/253) in accordance with the national regulation. Each patient was informed about the study. In case of incompetency, the next of kin were informed.
: Not applicable
: The authors declared no conflict of interest.