Column1       Column2                         Column3                     Column4
            PI            Organ System                    Cell Source                 EC Matrix 
            Christiano    Skin                            iPSC, some primary          Collagen, fibrin, laminin
            Donowitz      GI                              primary                     collagen IV
            S. George     microvascular-endothelial       OK                          Stromal cells; collagen or 
                                                                                      fibrinogen matrix
            S. George     tumor                           cell line and some primary  Stromal cells; collagen or 
                                                                                      fibrinogen matrix
            S. George     heart-cardiomyocytes            iPSC and some primary       Stromal cells; collagen or 
                                                                                      fibrinogen matrix
                              liver-hepatocytes plus 
                              nonparenchymal cells                                                Hydrogel with stromal 
             Griffith         (endothelial cells, Kupffer cells, primary and iPSC                 cells; matrix self-organized
                              stellate cells, fibroblasts and 
                              immune cells)
                              tumor-breast cancer 
             Griffith         metastasis in liver (can be any  primary and cell lines             Hydrogel with stromal 
                              tumor type - have used breast,                                      cells; matrix self-organized
                              prostate, and melanoma)
             Healy            microvascular-endothelial cells iPSC                                GFR-Matrigel; 0.2% Gelatin
             Healy            liver-hepatocytes                   iPSC                            GFR-Matrigel
             Healy            heart-cardiomyocytes                iPSC                            small precent stromal cells
             Healy            fat-white, adipocytes               cell line                       Hyaluronic acid hydrogel
                                                                  healthy iPSCs                   fibrin 
             Vunjak-Nova heart-cardiomyocytes                     patients' iPSCs                 native tissue ECM
                                                                  supporting non-myocytes
             Vunjak-Nova liver-hepatocytes                       iPSC; cell lines; reporters     stromal-fibroblasts  
             Vunjak-Nova bone - tumor                            iPSCs                           hydrogels
                                                                 cancer cells                    native tissue ECM
             Vunjak-Nova microvascular-endothelial               iPSC                            stromal cells, collagen, 
                                                                                                 fibrin, or matrigel
             Himmelfarb       kidney-proximal tubule,            Mostly primary, some iPSC
           Himmelfarb     kidney-derived microvascular  Mostly primary, some iPSC   pericytes
                                                                                    (i) Fibronectin                      
                                                                                    (ii) Gelatin                               
           Parker         cardiomyocytes, HUVEC         iPSC, cell lines                 (iii) Laminin                        
                                                                                                 (iv) Collagen               
                                                                                                 (v) Combinations 
                                                                                    thereof
           Taylor         liver-hepatocytes, endothelial,  primary, iPSC            Collagen type 1
                          Kupfer, Stellate