Figures & data
Figure 1. Flow of studies identified. Started with 302 records identified by Pubmed and nine additional records by searching for citations. Screened a total of 311 titles and abstracts and excluded 277 records. Thirty-four full-text papers were reviewed, after which 17 were excluded. Seventeen papers were finally included in the study.
![Figure 1. Flow of studies identified. Started with 302 records identified by Pubmed and nine additional records by searching for citations. Screened a total of 311 titles and abstracts and excluded 277 records. Thirty-four full-text papers were reviewed, after which 17 were excluded. Seventeen papers were finally included in the study.](/cms/asset/abedbae9-92f8-4001-86d2-f55a58324689/iejp_a_2344613_f0001_b.jpg)
Table 1. Data extraction form.
Table 2. Clinical parameters.