| LAIKO General Hospital of Athens | LAIKO General Hospital of Athens |
| ATTIKON University Hospital | ATTIKON University Hospital |
| General Hospital of Athens "Evangelismos" | General Hospital of Athens "Evangelismos" |
| 'Alexandra' Hospital | 'Alexandra' Hospital |
| General Hospital of Athens Alexandra | General Hospital of Athens Alexandra |
| IASO General Hospital of Athens, 1st Dep of Medical Oncology | IASO General Hospital of Athens, 1st Dep of Medical Oncology |
| Air Forces Military Hospital of Athens | Air Forces Military Hospital of Athens |
| "Laikon" General Hospital, Medical Oncology Unit, Propedeutic Dep of Internal Medicine | "Laikon" General Hospital, Medical Oncology Unit, Propedeutic Dep of Internal Medicine |
| 2nd Department of Anesthesiology, Attikon University Hospital | 2nd Department of Anesthesiology, Attikon University Hospital |
| HIPPOKRATION General Hospital of Athens | HIPPOKRATION General Hospital of Athens |
| Sotiria General Hospital | Sotiria General Hospital |
| General Hospital of Athens G. Gennimatas | General Hospital of Athens G. Gennimatas |
| University General Hospital Attikon | University General Hospital Attikon |
| Anticancer Hospital Ag Savas; 1St Dept of Internal Medicine | Anticancer Hospital Ag Savas; 1St Dept of Internal Medicine |
| 401 Military Hospital of Athens | 401 Military Hospital of Athens |
| Metropolitan Hospital | Metropolitan Hospital |
| Aretaieion University Hospital | Aretaieion University Hospital |
| Hygeia Hospital | Hygeia Hospital |
| University of Athens | University of Athens |
| Sanofi-Aventis Administrative Office | Sanofi-Aventis Administrative Office |
| 4th Department of Internal Medicine, Attikon University Hospital | 4th Department of Internal Medicine, Attikon University Hospital |
| Onassis Cardiac Surgery Center | Onassis Cardiac Surgery Center |
| Harokopio University | Harokopio University |
| Henry Dunant Hospital Center | Henry Dunant Hospital Center |
| 2nd Dept of Medical Oncology, Metropolitan Hospital | 2nd Dept of Medical Oncology, Metropolitan Hospital |
| Athens General Hospital 'G Gennimatas | Athens General Hospital 'G Gennimatas |
| Athens Medical Center | Athens Medical Center |
| Eugonia | Eugonia |
| Athens Euroclinic | Athens Euroclinic |
| Aretaieio Hospital, University of Athens | Aretaieio Hospital, University of Athens |
| Agricultural University of Athens | Agricultural University of Athens |
| Asklepieion Hospital of Voula | Asklepieion Hospital of Voula |
| Sismanogleio General Hospital, 1st, 2nd Dep of Pulmonary Diseases | Sismanogleio General Hospital, 1st, 2nd Dep of Pulmonary Diseases |
| Andreas Sygros Hospital | Andreas Sygros Hospital |
| University of Athens School of Medicine | University of Athens School of Medicine |
| Metropolitan General Hospital | Metropolitan General Hospital |
| Hellenic Oncology Cooperative Group | Hellenic Oncology Cooperative Group |
| Agios Savvas Anticancer Hospital | Agios Savvas Anticancer Hospital |
| First Department of Cardiology, University of Athens | First Department of Cardiology, University of Athens |
| "Korgialeneio-Benakeio" Hellenic Red Cross Hospital | "Korgialeneio-Benakeio" Hellenic Red Cross Hospital |
| Hypertension Center, Third Department of Medicine, University of Athens, Greece | Hypertension Center, Third Department of Medicine, University of Athens, Greece |
| Evgenidio Hospital I Agia Trias | Evgenidio Hospital I Agia Trias |
| Uoa Sotiria Hospital; Oncology | Uoa Sotiria Hospital; Oncology |
| Athens University Hospital Attikon | Athens University Hospital Attikon |
| Mediterraneo Hospital | Mediterraneo Hospital |
| General Hospital Alexandra | General Hospital Alexandra |
| Sismanoglio Hospital | Sismanoglio Hospital |
| "Elena Venizelou" General and Maternity Hospital of Athens | "Elena Venizelou" General and Maternity Hospital of Athens |
| Hellenic Breast Surgeons Society | Hellenic Breast Surgeons Society |
| 1st Department of Internal Medicine, General Hospital of Athens G. GENNIMATAS | 1st Department of Internal Medicine, General Hospital of Athens G. GENNIMATAS |
| 3rd Dept of Medical Oncology, Hygeia Hospital | 3rd Dept of Medical Oncology, Hygeia Hospital |
| Department of Nutrition-Dietetics, Harokopio University | Department of Nutrition-Dietetics, Harokopio University |
| Hygeia Hospital, 2nd Dept of Medical Oncology | Hygeia Hospital, 2nd Dept of Medical Oncology |
| Eginition Hospital | Eginition Hospital |
| Tzanio General Hospital of Piraeus | Tzanio General Hospital of Piraeus |
| Hellenic Society of Medical Oncology | Hellenic Society of Medical Oncology |
| 1st Department of Pulmonary Medicine and Intensive Care Unit | 1st Department of Pulmonary Medicine and Intensive Care Unit |
| Kyanos Stavros Private Hospital; Nephrologic Clinic | Kyanos Stavros Private Hospital; Nephrologic Clinic |
| National and Kapodistrian University of Athens, School of Dentistry, Departments of Orthodontics | National and Kapodistrian University of Athens, School of Dentistry, Departments of Orthodontics |
| Hellenic Anticancer Society | Hellenic Anticancer Society |
| Andreas Syngros Hospital | Andreas Syngros Hospital |
| 3rd Department of Obstetrics and Gynecology, Assisted Reproduction Unit | 3rd Department of Obstetrics and Gynecology, Assisted Reproduction Unit |
| Aretaeio University Hospital Endocrinology Department, Faculty of Diabetes and Metabolism | Aretaeio University Hospital Endocrinology Department, Faculty of Diabetes and Metabolism |
| 3rd Department of Internal Medicine, Sotiria General Hospital | 3rd Department of Internal Medicine, Sotiria General Hospital |
| Children's Hospital Agia Sophia, National and Kapodistrian University of Athens Medical School | Children's Hospital Agia Sophia, National and Kapodistrian University of Athens Medical School |
| OCEBER | OCEBER |
| Thorax Research Foundation | Thorax Research Foundation |
| Sanofi-Aventis | Sanofi-Aventis |
| 2nd Department of Cardiology, National and Kapodistrian University of Athens, Faculty of Medicine, Athens, Greece. | 2nd Department of Cardiology, National and Kapodistrian University of Athens, Faculty of Medicine, Athens, Greece. |
| Foundation for Biomedical Research of the Academy of Athens | Foundation for Biomedical Research of the Academy of Athens |
| Metropolitan Hospital; Hematology Dept | Metropolitan Hospital; Hematology Dept |
| Medical Oncology Unit, 401 Military Hospital of Athens | Medical Oncology Unit, 401 Military Hospital of Athens |
| University of Athens Medical school - Regional General Hospital | University of Athens Medical school - Regional General Hospital |
| Department of Internal Medicine, I PAMMAKARISTOS Hospital | Department of Internal Medicine, I PAMMAKARISTOS Hospital |
| Nefrologiki SA Hemodialysis Centre | Nefrologiki SA Hemodialysis Centre |
| Henri Dunant Hospital; Oncology Dept. | Henri Dunant Hospital; Oncology Dept. |
| George Mexis | George Mexis |
| Hygeia Hospital, 1st Dept of Medical Oncology | Hygeia Hospital, 1st Dept of Medical Oncology |
| General Hospital of Athens "Evangelismos", Department of Hematology and Lymphoma | General Hospital of Athens "Evangelismos", Department of Hematology and Lymphoma |
| ARETAIEION UNIVERSITY HOSPITAL; oncology unit | ARETAIEION UNIVERSITY HOSPITAL; oncology unit |
| General Hospital of Athens "LAIKO", 2nd Regional Blood Transfusion Center | General Hospital of Athens "LAIKO", 2nd Regional Blood Transfusion Center |