Dead link to VPB Whitepaper SDK Documentation

This documentation page contains the following paragraphs:
https://allensdk.readthedocs.io/en/latest/visual_behavior_optical_physiology.html#documentation

DOCUMENTATION

To learn more about the experimental design and available data, read through the Visual Behavior and Visual Behavior Ophys chapters in the SWDB Databook

For a description of available AllenSDK methods and attributes for data access, see this further documentation.

For detailed information about the experimental design, data acquisition, and informatics methods, please refer to our technical whitepaper.

The link in the second paragraph is dead, and needs to be updated.