1. Department of Otolaryngology — Head & Neck Surgery Stanford University School of Medicine Stanford California USA
2. Yale School of Medicine New Haven Connecticut U.S.A.
3. Nassif MD Plastic Surgery Beverly Hills California U.S.A
4. Department of Surgery Rush University Medical Center Chicago Illinois U.S.A.
5. Division of Otolaryngology (ENT), Department of Surgery Yale School of Medicine New Haven Connecticut U.S.A.