About the Authors

Cesar A. Gonzalez

cgonzalezd@ipn.mx

Affiliations Escuela Superior de Medicina, Instituto Politécnico Nacional, DF, México, EMGS/EMM/FAM, Universidad del Ejército, DF, México

Jose A. Valencia

Affiliation Sección de Imagen Seccional-Unidad de Cuidados Intensivos, Hospital Central Militar, DF, México

Alfredo Mora

Affiliation EMGS/EMM/FAM, Universidad del Ejército, DF, México

Fernando Gonzalez

Affiliation EMGS/EMM/FAM, Universidad del Ejército, DF, México

Beatriz Velasco

Affiliation EMGS/EMM/FAM, Universidad del Ejército, DF, México

Martin A. Porras

Affiliation Sección de Imagen Seccional-Unidad de Cuidados Intensivos, Hospital Central Militar, DF, México

Javier Salgado

Affiliation Sección de Imagen Seccional-Unidad de Cuidados Intensivos, Hospital Central Militar, DF, México

Salvador M. Polo

Affiliation EMGS/EMM/FAM, Universidad del Ejército, DF, México

Nidiyare Hevia-Montiel

Affiliation Departamento Ciencias de la Computación-IIMAS, Universidad Nacional Autónoma de México, DF, México

Sergio Cordero

Affiliations Escuela Superior de Medicina, Instituto Politécnico Nacional, DF, México, Hospital General Balbuena, Secretaría de Salud del Distrito Federal, DF, México

Boris Rubinsky

Affiliation Department of Mechanical Engineering, University of California, Berkeley, California, United States of America

Competing Interests

Cesar Gonzalez and Boris Rubinsky are the co-inventor of the following VEPS technology issued patents: "Volumetric induction phase shift detection system for determining tissue water content properties" United States (US) patent number 7,638,341 Dec 29, 2009; "Volumetric Induction phase shift system for determining tissue water content." US Patent 07910374, March 31 2011; "Volumetric induction phase shift detection system for determining tissue water content properties" US Patent number 8,101,421 January 24, 2012; "Volumetric induction phase shift detection system for determining tissue water content properties" US Patent number 8,361,391, January 29, 2013. These patents are assigned to the University of California (UC), Berkeley and were licensed to "Cerebrotech" a company in which Rubinsky, Gonzalez and UC Berkeley have a commercial interest through shares in that company. There are no further patents, products in development or marketed products to declare. The authors confirm that this does not alter their adherence to all the PLOS ONE policies on sharing data and materials. The study reported here was performed without any input, support and any involvement from Cerebrotech.

Author Contributions

Conceived and designed the experiments: CAG BR. Performed the experiments: JAV AM FG BV. Analyzed the data: CAG MAP JS SC BR. Contributed reagents/materials/analysis tools: MAP SMP JS NHM. Wrote the paper: CAG BR NHM.