1. Head and Neck Surgical Oncology & Microvascular Reconstructive Surgery High Desert Oral and Facial Surgery El Paso Texas USA
2. Head and Neck Oncology & Reconstructive Surgery HCA Florida Miami Florida USA
3. College of Dental Medicine Columbia University New York New York USA
4. Oral and Maxillofacial Surgery, Head and Neck Oncology & Microvascular Surgery Rutgers University New Brunswick New Jersey USA
5. Oral and Maxillofacial Surgery, Head and Neck Oncology & Microvascular Surgery Security Forces Hospital Riyadh Saudi Arabia