update png images

webpage_contents/publications/20240901_Marta_GironaAlarcon/Publication_page.qmd

@@ -58,11 +58,11 @@ In the publication, we have shown the need of infusing contrast agent to achieve
 
 ### Calibration ramp
 ::: {layout-ncol="5"}
-![](images/000.tif)
-![](images/010.tif)
-![](images/025.tif)
-![](images/033.tif)
-![](images/050.tif)
+![](images/000.png)
+![](images/010.png)
+![](images/025.png)
+![](images/033.png)
+![](images/050.png)
 :::
 
 ### Timeseries movies