al Qattan, Fatemah
Alzoubi, Emad Eddin
Lucas, Victoria
Roberts, Graham
McDonald, Fraser
Camilleri, Simon http://orcid.org/0000-0001-8306-6491
Article History
Received: 21 June 2019
Accepted: 2 September 2019
First Online: 7 September 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest. Ethical approval was granted by the University of Malta Research Ethics Committee, reference number FoD:FREC02/2017. The study is retrospective and no informed consent was required.