?:authorAffiliation
|
-
[\'Institute of Social and Preventive Medicine, University of Bern, Switzerland. Electronic address: cristina.mesavieira@ispm.unibe.ch.\', \'Institute of Social and Preventive Medicine, University of Bern, Switzerland.\', \'Faculty of Medicine, Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Colombia.\']
|