| article html file updated | 13 August 2026 18:05 CEST | Update | https://www.mdpi.com/1420-3049/20/4/6573 |
| article html file updated | 6 February 2020 17:34 CET | Update | N/A |
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| article html file updated | 15 May 2015 09:59 CEST | Original file | N/A |
| article xml file uploaded | 15 May 2015 09:59 CEST | Original file | https://www.mdpi.com/1420-3049/20/4/6573/xml |
| article pdf uploaded. | 13 April 2015 15:47 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/4/6573/pdf |
