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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: J Empir Res Hum Res Ethics. 2014 Dec 10;10(1):13–21. doi: 10.1177/1556264614561964
Youth: □yes □no
Adults □yes □no
Elderly □yes □no
Racial/ethnic minorities □yes □no
Low-income □yes □no
Urban □yes □no
Rural □yes □no
Female □yes □no
Male □yes □no
Immigrant □yes □no
Non-US □yes □no
□Other ______________
□Refused