AUTHOR=Shanbhag Siddharth , Kampleitner Carina , Mohamed-Ahmed Samih , Yassin Mohammed Ahmad , Dongre Harsh , Costea Daniela Elena , Tangl Stefan , Hassan Mohamad Nageeb , Stavropoulos Andreas , Bolstad Anne Isine , Suliman Salwa , Mustafa Kamal TITLE=Corrigendum: Ectopic Bone Tissue Engineering in Mice Using Human Gingiva or Bone Marrow-Derived Stromal/Progenitor Cells in Scaffold-Hydrogel Constructs JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.831669 DOI=10.3389/fbioe.2021.831669 ISSN=2296-4185