1. Department of Plastic Surgery and Hand Surgery Regenerative and Reconstructive Plastic Surgery Laboratory University Hospital Zurich (USZ) University of Zurich Zurich Switzerland
2. Department for BioMedical Research University of Bern Bern Switzerland
3. Department of Dermatology University Hospital Zurich (USZ) University of Zurich Zurich Switzerland
4. Department of Surgery Wake Forest Baptist Medical Center Institute for Regenerative Medicine Winston‐Salem North Carolina
5. Department of Traumatology Division of Surgical Research University Hospital Zurich (USZ) University of Zurich Zurich Switzerland