@article{EngelAckermannChtourouetal.2018,
  author    = {Florian Azad Engel and Alexander Ackermann and Hamdi Chtourou and Billy Sperlich},
  title     = {High-Intensity Interval Training Performed by Young Athletes: A Systematic Review and Meta-Analysis},
  journal   = {Frontiers in Physiology},
  volume    = {9},
  doi       = {10.3389/fphys.2018.01012},
  year      = {2018},
}