1 Section of Histology & Medical Embryology, Department of Anatomical, Histological, Forensic and Orthopedic Sciences, Interuniversity Institute of Myology, Sapienza University of Rome, Rome, Italy.
2 Sorbonne Université, CNRS UMR 8256-INSERM ERL U1164, Biological Adaptation and Aging B2A, Paris, France.