1. Institute of Physiological Chemistry, Ulm University, Ulm, Germany.
2. Department of Neurology, Ulm University, Ulm, Germany.
3. Department of Biomedical Engineering and Sciences (BMES), School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), H-12, Islamabad, Pakistan.
4. Institute of Orthopaedic Research and Biomechanics, Center for Trauma Research Ulm, University of Ulm, Ulm, Germany.