Steps to generate this table:
  1. Run your query on pubmed (https://www.pubmed.gov)
  2. Click on 'Advanced' and save all queries as 'Add to history' 
  3. Once you are done with the query, click on 'Download history'
  4. This will create a 'history.csv' file on your local hard drive, save it and use it to generate a table like above. 
If we click on item number 16, we see it lists 7 studies that are meta analyses on mindfulness meditation for adults on stress or anxiety or depression relief. Now based on the titles and abstract, let's see if any of them are any good. On closer inspection, no article was found to be suitable for our analyses. 
We also conducted a search on the results of 47 studies we obtained (see search #9 on the table) and we narrowed down the list of studies to 9 based on the following criteria:
When we did that, we initially found that 9 studies qualified for this (see the screenshot):