From touch screen tablets for patients to interactive art, colourful MRI suites and delivery droids which ferry meals, rubbish and pharmaceutical supplies, a children's hospital in San Francisco is aiming to provide a high tech and innovative experience to healthcare.

UCSF Benioff Children's Hospital is part of a $1.5bn (£1bn) campus which was financed largely by philanthropists.

BBC's North America technology correspondent Richard Taylor reports.

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