A systematic literature search performed in databases (Medline, Cochrane Library, Scopus, Embase, CRD York), selected journals and websites identified articles describing either a general MDR structure or the development process of specific registries. Learn More : https://pubrica.com/services/research-services/systematic-review/ Reference: https://bit.ly/3MCXLOK Why Pubrica: When you order our services, we promise you the following – Plagiarism free | always on Time | 24*7 customer support | Written to international Standard | Unlimited Revisions support | Medical writing Expert | Publication Support | Bio statistical experts | High-quality Subject Matter Experts.   Contact us:      Web: https://pubrica.com/  Blog: https://pubrica.com/academy/  Email: [email protected]  WhatsApp : +91 9884350006  United Kingdom: +44-1618186353