Kröner Florit, Paul T.
Corral Hurtado, Juan E.
Wijarnpreecha, Karn
Elli, Enrique F.
Lukens, Frank J.
Article History
First Online: 1 July 2019
Compliance with Ethical Standards
:
: The authors declare no conflict of interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. For this type of study, formal consent was not required.