Fig. 5. Usage of pluripotent stem cell types (hESC and iPSC) dependent on geographic distribution and study design.
a Distribution of all clinical trials and interventional and observational trials respectively, dependent on the usage of hESC or hiPSC. b Choropleth map presenting the geographic distribution of all clinical trials involving hESCs. c Choropleth map presenting the geographic distribution of all clinical trials involving hiPSCs.