1. Lebanese American University and University Medical Center Rizk Hospital
2. Rafik Hariri University Hospital; Beirut Lebanon
3. Zahraa University Hospital; Beirut Lebanon
4. Universitá di Milano, Ca Granda Foundation IRCCS; Milan Italy
5. American University of Beirut; Beirut Lebanon
6. Chronic Care Center; Hazmieh Lebanon
7. University of Texas MD Anderson Cancer Center; Houston Texas
8. University College London; London UK