Medical School, University of Thessaloniki 1974-1981
Royal Postgraduate Medical School, University of London (Ph.D.) 1981-1984
Hammersmith Hospital (Cardiothoracic Surgery) 1987-1991
Middlesex Hospital ( Cardiothoracic Surgery) 1988
Evangelismos Hospital, Athens, Greece1991-1992
Hygeia Hospital, Athens, Greece 1994 - 2016
University Hospital of Wales , Cardiff , Wales 2017 -
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