1. Santa Monica Sports Medicine Foundation, Santa Monica, California, USA
2. Department of Biomechanical and Movement Sciences, University of Delaware, Newark, Delaware, USA
3. Institute for Sports Sciences, Los Angeles, California, USA
4. Fédération Internationale de Football Association (FIFA) Medical Assessment and Research Centre (F-MARC), Zurich, Switzerland
5. Biostatistics Core Facility, College of Health Sciences, University of Delaware, Newark, Delaware, USA
6. Department of Physical Therapy and Biomechanics and Movement Science Program, University of Delaware, Newark, Delaware, USA