Received: 20 September 2018
Accepted: 19 December 2018
First Online: 14 February 2019
Ethics approval and consent to participate
: Because this study is a medical dossier study, it was exempted from ethical approval by the Central Committee on Research Involving Human Subjects (CCMO) and the Defense Health Organization (DGO).
: Not applicable.
: The authors declare that they have no competing interests.
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