[1] UNIV HOSP,MED SCH PATRAS,DEPT EAR NOSE & THROAT,PATRAI,GREECE
[2] UNIV HOSP,MED SCH PATRAS,ONCOL UNIT,PATRAI,GREECE
[3] UNIV HOSP,MED SCH PATRAS,DEPT INTERNAL MED,PATRAI,GREECE
[4] UNIV HOSP,MED SCH PATRAS,RESP UNIT,PATRAI,GREECE
[5] ANGIO ANDREAS HOSP,DEPT SURG,PATRAI,GREECE