| article html file updated | 15 August 2026 22:15 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1509 |
| article html file updated | 30 August 2025 14:13 CEST | Update | N/A |
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| article html file updated | 21 April 2019 12:06 CEST | Original file | N/A |
| article pdf uploaded. | 21 April 2019 12:05 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/8/1509/pdf |
| article xml uploaded. | 21 April 2019 12:05 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1509/xml |
| article xml file uploaded | 21 April 2019 12:05 CEST | Original file | N/A |
