1. Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital School of Medicine National and Kapodistrian University of Athens Athens Greece
2. First Department of Orthopaedics National and Kapodistrian University of AthensSchool of Medicine Athens Greece
3. Department of Orthopaedic Surgery University of PittsburghOrthopedic Specialists‐UPMC Pittsburgh PA USA
4. Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR) Department of Biomedical Sciences School of Health & Caring Sciences University of West Attica (UniWA) Egaleo Greece
5. Department of Biomedical Sciences Humanitas University Milan Italy
6. Humanitas Clinical and Research Center‐ IRCCS Milan Italy