| article html file updated | 16 August 2026 17:17 CEST | Update | https://www.mdpi.com/2218-1997/5/11/217 |
| article html file updated | 24 December 2025 16:17 CET | Update | N/A |
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| article html file updated | 11 November 2019 04:34 CET | Original file | N/A |
| article pdf uploaded. | 11 November 2019 04:32 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/11/217/pdf |
| article xml uploaded. | 11 November 2019 04:32 CET | Update | https://www.mdpi.com/2218-1997/5/11/217/xml |
| article xml file uploaded | 11 November 2019 04:32 CET | Update | N/A |
| article pdf uploaded. | 31 October 2019 17:21 CET | Version of Record | https://www.mdpi.com/2218-1997/5/11/217/pdf-vor |
| article xml file uploaded | 31 October 2019 17:21 CET | Original file | N/A |
