You tried going to https://www.msl.ubc.ca/sites/default/files/pdata/kaston-leung/Leung-et-al-supplementary-dataset-4.zip, and it doesn't exist. All is not lost! You can search for what you're looking for.
https://www.msl.ubc.ca/sites/default/files/pdata/kaston-leung/Leung-et-al-supplementary-dataset-4.zip