1. Division of Non-communicable diseases, Endocrinology research line, Hospital de Apoyo Chepén, Chepén, Perú
2. Division of Endocrinology, Hospital Víctor Lazarte Echegaray, Trujillo, Perú
3. Division of Pneumology, Hospital Regional Docente de Trujillo, Trujillo, Perú
4. Carrera de Medicina Humana, Universidad Científica del Sur, Lima, Perú
5. Division of Pneumology, Hospital Nacional Edgardo Rebagliati Martins, Lima, Perú