| article html file updated | 16 August 2026 05:51 CEST | Update | https://www.mdpi.com/1999-4907/10/8/609 |
| article html file updated | 30 August 2025 22:55 CEST | Update | N/A |
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| article html file updated | 20 July 2022 06:30 CEST | Update | N/A |
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| article html file updated | 27 August 2019 13:03 CEST | Update | N/A |
| article html file updated | 24 July 2019 09:31 CEST | Original file | N/A |
| article pdf uploaded. | 24 July 2019 09:29 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/8/609/pdf |
| article xml uploaded. | 24 July 2019 09:29 CEST | Update | https://www.mdpi.com/1999-4907/10/8/609/xml |
| article xml file uploaded | 24 July 2019 09:29 CEST | Original file | N/A |
