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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Addiction. 2015 Nov 19;111(1):142–155. doi: 10.1111/add.13153

Figure 1.

Figure 1

CONSORT Diagram

Note: S = Randomized to Standard 8 Weeks of Nicotine Patch + Nicotine Gum; Ex = Randomized to Extended 26 Weeks of Nicotine Patch + Nicotine Gum. See Supplemental Materials for reasons participants withdrew from the study