| article html file updated | 13 August 2026 08:26 CEST | Update | https://www.mdpi.com/1420-3049/19/12/20731 |
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| article xml file uploaded | 4 January 2015 11:50 CET | Original file | https://www.mdpi.com/1420-3049/19/12/20731/xml |
| article supplementary file uploaded. | 12 December 2014 09:26 CET | - | https://www.mdpi.com/1420-3049/19/12/20731#supplementary |
| article pdf uploaded. | 12 December 2014 09:26 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/20731/pdf |
