1. Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland 4059, Australia.
2. Department of Trauma, Hand, Plastic and Reconstructive Surgery, Julius-Maximilians-University, Würzburg 97080, Germany.
3. Julius Wolff Institute and Center for Musculoskeletal Surgery, Berlin-Brandenburg Center for Regenerative Therapies, Charité—Universitätsmedizin Berlin, Humboldt Universität and Freie Universität, Berlin 13353, Germany.
4. Department of Trauma Surgery, University of Regensburg, Regensburg 93053, Germany.