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Demographics of the inlcuded studies
| Year | Year | Month | Number of studies |
| 2022 (n = 28) | January | 1 | |
| March | 1 | ||
| April | 1 | ||
| May | 1 | ||
| June | 5 | ||
| July | 2 | ||
| August | 4 | ||
| September | 5 | ||
| October | 5 | ||
| November | 2 | ||
| December | 1 | ||
| 2021 (n = 4) | September | 1 | |
| October | 2 | ||
| December | 1 | ||
| 2020 (n = 2) | January | 1 | |
| April | 1 | ||
| Countries | Country | Number of studies | |
| China | 21 | ||
| USA | 8 | ||
| Canada | 1 | ||
| India | 1 | ||
| Saudi Arabia | 1 | ||
| South Korea | 1 | ||
| Pakistan | 1 | ||
| Type of publication | Venue | Number of studies | |
| Journal | 17 | ||
| Conference | 16 | ||
| Thesis | 1 | ||
