Table 1.

Categories and subcategories of social media accounts.

Category	Description	Subcategories
Association	Professional associations	Hospital association, international association, medical association, and scientific association
Community	Civilian communities	Community Facebook page
Education	Educational outlets	Facebook page, hospital, national library, research institution, university, and university Facebook page
Enterprise	For-profit firms	Directory, laboratory, and pharmacy
Hospital	Health service providers	Clinic and institute
Individual	Common citizens	Journalist and physician
Media	Media companies	Blog, magazine, migrated media, new media, news agency, newspaper, portal, radio station, TV channel, and TV news channel
NGOa	Nonprofit organization	Organizations not for profit
Unknown	Uncleared items	All other items

^aNGO: nongovernmental organization.