Lin Zhu1, Anita T Mohan2, Michel Saint-Cyr3. 1. Department of Plastic Surgery, Peking Union Medical College Hospital, China; Division of Plastic Surgery, Mayo Clinic, Rochester, MN, USA. 2. Division of Plastic Surgery, Mayo Clinic, Rochester, MN, USA; Restoration of Appearance and Function Trust (RAFT), London, UK. 3. Division of Plastic Surgery, Mayo Clinic, Rochester, MN, USA. Electronic address: msaint-cyr@sw.org.