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Article History
Received: 16 January 2020
Accepted: 22 April 2020
First Online: 16 May 2020
Compliance with ethical standards
: The study was approved by the Faculty of Medicine and Surgery University of Malta Research Ethics Committee (Ref No: FRECMDS_1819_38).
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.
