update references - add recent validation studies

[alisonmarsden]

Problem

We need to update the references section on the homepage, particularly to add recent papers with validation results

Solution

Add recent papers to the references (esp validation) section of the website:

https://link.springer.com/article/10.1007/s10439-024-03457-5

https://pmc.ncbi.nlm.nih.gov/articles/PMC11402517/

https://www.nature.com/articles/s41598-023-49942-0

Additional context

No response

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