Affiliation: | 1. Thin Film Group, Universidad del Valle in Cali, Cali, Colombia 2. Tribology, Powder Metallurgy and Processing of Solid Waste Research Group, Universidad del Valle, Cali, Colombia 4. National Biotechnology and Pharmaceutical Association, Chicago, IL, 60606, USA 3. Department of Anatomy and Cell Biology, University of Illinois at Chicago, Chicago, IL, 60612, USA
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