Figure 1|PRISMA flow chart of phantom limb pain and central nervous system stimulation.
In the initial search, 303 studies were extracted to be screened, excluding duplicate citations. Titles of the articles were analyzed and after excluding reviews and observational articles, 93 studies were selected. To apply the eligibility criteria, titles and abstracts of these papers were screened. Finally, 10 full-text papers were used in the review and included in the final manuscript (Figure 1).