Table 1.
Distribution of research papers per database.
| Database | No of papers | % of papers | 
|---|---|---|
| IEEE | 17 | 36% | 
| PUBMED-NCBI | 16 | 34% | 
| ScienceDirect | 4 | 9% | 
| MDPI | 2 | 4% | 
| Springer | 2 | 4% | 
| Others | 6 | 13% | 
| Total | 47 | 100% | 
Distribution of research papers per database.
| Database | No of papers | % of papers | 
|---|---|---|
| IEEE | 17 | 36% | 
| PUBMED-NCBI | 16 | 34% | 
| ScienceDirect | 4 | 9% | 
| MDPI | 2 | 4% | 
| Springer | 2 | 4% | 
| Others | 6 | 13% | 
| Total | 47 | 100% |