Text and Data Mining valid from 2018-12-11
Received: 7 September 2018
Accepted: 30 November 2018
First Online: 11 December 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (ethics committee of Sainte-Anne military Hospital, number 2018/003) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.