We commenced working on both this site and the City Option site at the same time as the client approached us to install and set up WPML.
After the WPML Assessment we always do before doing any work on a site a lot of other things became "visible" that needed to be addressed to ensure compatibility with WPML.
For this site we did a lot more additional work than for the City Option one. For instance we built a highly customised map integrated with a medical facility chooser. The site is quite big with many, many pages of content that all had to become duplicated and then properly translated in Spanish and Traditional Chinese.