1. Department of Pathology Keck School of Medicine of the University of Southern California Los Angeles California
2. Division of Plastic and Reconstructive Surgery Keck School of Medicine of the University of Southern California Los Angeles California
3. Cardiff School of Mathematics Cardiff University Cardiff UK
4. Ostrow School of Dentistry of the University of Southern California Los Angeles California
5. Division of Plastic and Reconstructive Surgery Department of Surgery Tri‐Service General Hospital National Defense Medical Center Taipei Taiwan
6. Wolfson Centre for Mathematical Biology Mathematical Institute Oxford UK
7. Integrative Stem Cell Center China Medical University Taichung Taiwan