Based on the appraisals of the two articles, complete the following question for both articles mentioned below:

1) http://www.tobaccopreventioncessation.com/pdf-143077-69866?filename=Efficacy%20and%20safety%20of.pdf

2) A systematic review of randomized controlled trials and network meta-analysis of e-cigarettes for smoking cessation (Gary C.K. Chan a, *, Daniel Stjepanovi ?c a, Carmen Lim a, Tianze Sun a,
Aathavan Shanmuga Anandan a, Jason P. Connor a, b, Coral Gartner c, Wayne D. Hall a, Janni Leung a)

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