Richard’s, María Marta
Vernucci, Santiago
Stelzer, Florencia
Introzzi, Isabel
Guàrdia-Olmos, Joan
Funding for this research was provided by:
Consejo Nacional de Investigaciones Científicas y Técnicas
Article History
First Online: 4 May 2018
Compliance with Ethical Standards
: All procedures performed in this study were in accordance with the ethical standards of the National Scientific and Technical Research Council of Argentina, and with the 1964 Helsinki declaration and its later amendments. Informed consent was obtained from the children’s parents, and each participating child gave his assent to participate in the study.
: The authors declare that they have no conflict of interest.