1 Department of Health Economics, National School of Public Health, Athens - Greece.
2 Department of Accommodation Facilities for Hosting Asylum Applicants or Third Country Nationals Belonging to Vulnerable Groups, First reception service, Ministry of Interior, Athens - Greece.
3 Agios Panteleimon General Hospital of Nikea-Piraeus, Athens - Greece.
4 Nephrology Department and Renal Transplantation Unit, Laiko Hospital, Athens - Greece.
5 Center for Nephrology G Papadakis, Nikea Hospital, Athens - Greece.