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. 2016 Apr 25;4:10.3402/jmahp.v4.31036. doi: 10.3402/jmahp.v4.31036

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© 2016 Eve Hanna et al.

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material for any purpose, even commercially, provided the original work is properly cited and states its license.

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Fig. 1 — Flow chart of clinical trials identification and inclusion. This flow chart summarises the results obtained in each step of the study, starting by the database searches, the results after removing duplications from each database, then removing duplications from the combination of the results, including the filtered studies and the studies. ATMPs: advanced therapy medicinal products; sCTMPs: somatic cell therapy products; TEPs: tissue-engineered products; GTMPs: gene therapy medicinal products; ICTRP: International Clinical Trials Registry Platform.