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| article xml file uploaded | 4 January 2015 11:49 CET | Original file | https://www.mdpi.com/1420-3049/19/12/19696/xml |
| article pdf uploaded. | 27 November 2014 13:20 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/19696/pdf |
