Another tricky aspect was best put by one of our clinicians, who said 'when you've seen one hospital, you've seen one hospital,' meaning a certain amount of configurability and customization is always asked for. One size rarely fits all. Baking that into a solution from the beginning is crucial, yet increased variablity comes at the cost not only of more complex coding and QA, but less ability to do comparative analysis and benchmarking across the client base.