Additional file 1 of Therapeutic potential of mesenchymal stem cells and their exosomes in severe novel coronavirus disease 2019 (COVID-19) cases Atsunori Tsuchiya Suguru Takeuchi Takahiro Iwasawa Masaru Kumagai Takeki Sato Satoko Motegi Yui Ishii Youhei Koseki Kei Tomiyoshi Kazuki Natsui Nobutaka Takeda Yuki Yoshida Fusako Yamazaki Yuichi Kojima Yusuke Watanabe Naruhiro Kimura Kentaro Tominaga Hiroteru Kamimura Masaaki Takamura Shuji Terai 10.6084/m9.figshare.12530597.v1 https://springernature.figshare.com/articles/dataset/Additional_file_1_of_Therapeutic_potential_of_mesenchymal_stem_cells_and_their_exosomes_in_severe_novel_coronavirus_disease_2019_COVID-19_cases/12530597 Additional file 1: Table S1. Clinical trials using mesenchymal stem cells (MSCs) and exosomes and registered on ClinicalTrials.gov. 2020-06-22 11:47:12 COVID-19 SARS-CoV-2 Mesenchymal stem cells Exosome Cytokine storm Acute respiratory distress syndrome