| article html file updated | 15 August 2026 23:50 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1797 |
| article html file updated | 30 August 2025 14:57 CEST | Update | N/A |
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| article html file updated | 12 February 2020 11:42 CET | Update | N/A |
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| article html file updated | 11 May 2019 11:27 CEST | Original file | N/A |
| article pdf uploaded. | 11 May 2019 11:25 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/9/1797/pdf |
| article xml uploaded. | 11 May 2019 11:25 CEST | Update | https://www.mdpi.com/1996-1073/12/9/1797/xml |
| article xml file uploaded | 11 May 2019 11:25 CEST | Original file | N/A |
