Between 1971 and 1973 he completed his post graduate training in Genova, Italy and Bern, Switzerland, where he worked for a year and a half in the investigation of metabolic diseases, their diagnosis and treatment.
Durante os anos 1971 ao 1973 completou a súa formación de posgrao en Xénova (Italia) e en Berna (Suíza), onde traballou durante un ano e medio na investigación de enfermidades metabólicas, o seu diagnostico e tratamento.