Funding for this research was provided by:
Ministry of Defense (NA)
Received: 25 June 2019
Accepted: 18 November 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: Was mentioned in the InternalRef removed section. This study is based on available data. Therefore, consent to participate is irrelevant.
: Both authors consent publication of this study in this Journal.
: The authors declare that they have no competing interests.