Fig. 1.

EurOPDX Data Portal data flows. Four layers are described: (i) Input layer for metadata and processed molecular data provided by partners from the consortium. These data are collected via templates and laboratory information management systems (LIMS); (ii) Data processing layer where the data are collected, semi-automatically standardized and harmonized to be aligned with PDX Finder data services utilized in the Portal as well; (iii) Storage layer consists of the Data Hub where the EurOPDX data are stored; (iv) Data analysis layer is then a graphical user interface enabling (meta)data browsing and further analysis