1. CIMA Clinic, Loja, Ecuador
2. Total Definer, Bogota, Colombia
3. Dhara Clinic, Bogota, Colombia
4. Departments of Sciences and Research and Plastic Surgery, Total Definer, Bogota, Colombia
5. Department of Surgery, Mayo Clinic; Rochester, Minn.
6. HAV Academy, Bucaramanga, Colombia
7. Private Practice, Brazil and UAE
8. Department of Plastic Surgery at Total Definer, Private Practice, Moscow, Russia
9. Total Definer Medical, Bogota, Colombia
10. Private Practice, Bogota and Medellin, Colombia
11. Department of Plastic Surgery at HAV, Clinica Fundacion Oftalmologica de Santander (FOSCAL), Bucaramanga, Colombia
12. Department of Epidemiology, Total Definer Medical, Bogota, Colombia.