1. 1 Department of Biomaterials, Sahlgrenska Academy at University of Gothenburg, Göteborg, Sweden
2. 2 Institute of Biomaterials and Cell Therapy, Göteborg, Sweden
3. 3 Mölnlycke Health Care AB, Göteborg, Sweden
4. 4 National Institute of Dental and Craniofacial Research, NIH, Bethesda, Maryland, USA
5. 5 BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, Göteborg, Sweden
6. 6 Department of Surgery K and Copenhagen Wound Healing Center, Bispebjerg Hospital, Copenhagen, Denmark.