| article html file updated | 16 August 2026 03:53 CEST | Update | https://www.mdpi.com/1996-1073/12/13/2518 |
| article html file updated | 24 December 2025 15:17 CET | Update | N/A |
| article html file updated | 30 August 2025 21:52 CEST | Update | N/A |
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| article html file updated | 18 July 2019 05:24 CEST | Update | N/A |
| article html file updated | 1 July 2019 14:58 CEST | Original file | N/A |
| article pdf uploaded. | 1 July 2019 14:57 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/13/2518/pdf |
| article xml uploaded. | 1 July 2019 14:57 CEST | Update | https://www.mdpi.com/1996-1073/12/13/2518/xml |
| article xml file uploaded | 1 July 2019 14:57 CEST | Update | N/A |
| article pdf uploaded. | 30 June 2019 10:45 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/13/2518/pdf-vor |
| article xml file uploaded | 30 June 2019 10:45 CEST | Original file | N/A |
