Financial contributions to global surgery: an analysis of 160 international charitable organizations

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Table 1 Summary of study methods

Country	Organization identification	Sources of financial documents
United States of America	American College of Surgeons Operation Giving Back, the Society of Pediatric Anesthesiologists, OmniMed, and the US State Department Private Volunteer Organizations registry, Foundation Center Online Directory,	Organization’s website, Guidestar, ProPublica, Economics Research Institute (ERI), Citizenaudit.org, National Center for Charitable Statistics at the Urban Institute, and the Foundation Center Online Directory
United Kingdom	UK Charity Commission	Organization’s website, UK Charity Commission
Canada	Canada Revenue Agency Charity	Organization’s website, Canada Revenue Agency Charity
Australia	Australia Charity Commission	Organization’s website, Australia Charity Commission
New Zealand	New Zealand Charity Commission	Organization’s website, New Zealand Charity Commission

Keywords used in search: “global,” “international,” “low resource,” “developing countries/nations” and “surgery”, “obstetrics and gynecology,” “obstetric fistula,” “trauma,” “injury,” “congenital birth defects,” “cleft lip/palate,” “cataract,” “ophthalmology,” “burn,” “reconstructive,” “urology,” “orthopedics,” “club foot,” “neurosurgery,” “hydrocephalus,” “anesthesia,” “hernia,” “cardiac,” and “ENT”