Funding for this research was provided by:
Corporación de Fomento a la Producción-CORFO (Grant ID 17ITE2-82627.)
Received: 14 August 2018
Accepted: 17 December 2018
First Online: 5 January 2019
: The Ethics Committee of the Hospital Clínico de la Universidad de Chile approved the study protocols and an informed consent was not required to obtain samples from hospital surfaces.
: Not applicable.
: MG and CR are Directors of ATACAMALAB, a for profit Company aiming to develop energy efficient products including novel uses for copper.
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