Most 22/78.5% authors were affiliated with universities, three 10.7 % with university hospitals, and three 10.7% with other hospitals.
La mayoría de ellos vinculados a universidades, 22 78,5%, tres 10,7 % en hospitales universitarios y tres 10,7% en hospitales.
A maioria deles ligados a universidades, 22 78,5%, três 10,7 % em hospitais universitários e três 10,7% em hospitais.