1. Department of Family Medicine, College of Osteopathic Medicine, Michigan State University, East Lansing, MI 48824, USA
2. Department of Mechanical Engineering, College of Engineering, Michigan State University, East Lansing, MI 48824, USA
3. Biomechanics Division, MEA Forensic Engineers & Scientists, Laguna Hills, CA 92653, USA
4. Department of Mathematical Sciences and Center for Quantitative Analysis, Bentley University, Waltham, MA 02452, USA