Article review

Read De La Torre-Díez, I., López-Coronado, M., Vaca, C., Aguado, J. S., & de Castro, C. (2015). Cost-utility and cost-effectiveness studies of telemedicine, electronic, and mobile health systems in the literature: a systematic review. Telemedicine and e-Health, 21(2), 81-85.
Answer the following:

What were at least 3 methods described to evaluate cost-effectiveness, or a cost-benefit-analysis?
Based on the findings of the review article, would you implement a mobile health system? Why or why not?