1. National Cancer Institute of Peru (INEN)Department of Plastic Surgery Lima Peru
2. Arzobispo Loayza National HospitalDepartment of Plastic and Burn Surgery Lima Peru
3. Department of Plastic and Reconstructive SurgeryChina Medical University Taichung Taiwan
4. Division of Plastic and Reconstructive SurgeryMayo Clinic Rochester, Minnesota USA
5. Section of Plastic Surgery, Department of SurgeryMedical College of Georgia, Augusta University USA