Neffen, Hugo E.
Ivancevich, Juan Carlos
Article History
First Online: 16 May 2018
Compliance with Ethical Standards
:
: Dr. Neffen declares that he has no conflict of interest.Dr. Ivancevich reports personal fees from Faes Farma, personal fees from Eurofarma, outside the submitted work.
: This article does not contain any studies with human or animal subjects performed by any of the authors.