Is it correct to use commas for this list, or should they be semi-colons instead?

I have this sentence:

As a business, the main aims of a hospital are to provide practical support and encourage patients to take more responsibility for their own health, to foster improved communication between the Practice and its patients, and to help patients to know what services are available to them.

So, my question is – should commas be used here to split the list items, or should I use semi-colons?

Thanks.