| article html file updated | 16 August 2026 11:46 CEST | Update | https://www.mdpi.com/1999-4907/10/9/757 |
| article html file updated | 31 August 2025 00:50 CEST | Update | N/A |
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| article html file updated | 2 September 2019 13:54 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2019 13:53 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/9/757/pdf |
| article xml uploaded. | 2 September 2019 13:53 CEST | Update | https://www.mdpi.com/1999-4907/10/9/757/xml |
| article xml file uploaded | 2 September 2019 13:53 CEST | Original file | N/A |
