0034-7531 0034-7531 S0034-75312022000100001 Cuba 00 03 2022 00 03 2022 94 1 1 2015 272 9 9 2089-93 2 2017 17 2 2 3 2013 70 2 2 96-7 4 2006 5 4 4 144-7 5 2016 16 6 6 6 2017 18 4 4 285-8 7 2016 21 2 2 48-50 8 International Committee of Medical Journals Editors (ICMJE) 2019 9 2020 31 4 4 10 2021 58 3 3