| Author | Year of publication | Database |
| Al-Matary et al. | 2021 | PubMed |
| Ayed et al. | 2020 | PubMed |
| Crovetto et al. | 2021 | Embase |
| Cruz-Melguizo et al. | 2021 | Scopus |
| Haye et al. | 2021 | Web of Science |
| Khoury et al. | 2020 | PubMed |
| Lokken et al. | 2021 | Embase |
| Martinez-Perez et al. | 2021 | PubMed |
| Metz et al. | 2021 | PubMed |
| Saccone et al. | 2021 | Web of Science |
| Taya et al. | 2020 | Web of Science |
| Villar et al. | 2021 | Embase |
| Vousden et al. | 2021 | PubMed |