The TackSHS project is coordinated by Dr. Esteve Fernandez from Institut Catala d'Oncologia (ICO) (SPAIN). This study is managed by the "George D Behrakis RESEARCH LAB", within the Hellenic Cancer Society (HCS) (Greece), with collaboration of the Institut Catala d'Oncologia (ICO) (SPAIN) and the Public Health Agency of Barcelona (ASPB) (SPAIN) as partners.