Ethics
The collected data was confidential and the study followed the ethical principles provided by the World Medical Association (52nd WMA General Assembly, Edinburgh, Scotland, October 2000). The Harokopio Institutional Review Board approved the design, procedures and aims of the study (16/19-12-2006). Moreover, the IRB of the University of Malta also approved the study. Prior to the interviews, participants were informed about the aims and procedures of the study and gave their consent.
