Most influential doctors on Twitter?

You could compile a list of who’s posting on health topics by doing a hashtag or archive search. hashtag.org or twapperkeeper.com. This will tell you who is tweeting on health topics. How you would quantify whether or not the poster is an MD would be more manually intensive.

“Influential” is a nebulous term when it comes to twitter. To be influential, you must cause individuals to change their behaviors or beliefs. How do you propose to measure that from Twitter posts?

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