1. KU Leuven, Department of Kinesiology, Human Movement Biomechanics Research Group, Heverlee, Belgium
2. KU Leuven, Department of Rehabilitation Sciences, Neuromotor Rehabilitation, Heverlee, Belgium
3. Clinical Motion Analysis Laboratory, University Hospitals Leuven, Pellenberg, Belgium
4. Hip Unit, Orthopaedic Department, Genk, Belgium
5. UZ Pellenberg Orthopedic Department, University Hospitals Leuven, Pellenberg, Belgium