This study is specifically about hyper prolific authors who have their name on 72 or more publications in a single year. Which they filtered down to a few hundr

This study is specifically about hyper prolific authors who have their name on 72 or more publications in a single year. Which they filtered down to a few hundred, and then a chunk of those were associated with large cohort studies. So the list does get down to around a hundred that aren't caught in one of those filters.