| article html file updated | 16 August 2026 12:44 CEST | Update | https://www.mdpi.com/1999-4915/11/9/820 |
| article html file updated | 24 December 2025 15:48 CET | Update | N/A |
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| article html file updated | 10 September 2019 05:36 CEST | Update | N/A |
| article xml uploaded. | 10 September 2019 05:34 CEST | Update | https://www.mdpi.com/1999-4915/11/9/820/xml |
| article html file updated | 10 September 2019 04:23 CEST | Original file | N/A |
| article pdf uploaded. | 10 September 2019 04:21 CEST | Updated version of record | https://www.mdpi.com/1999-4915/11/9/820/pdf |
| article xml uploaded. | 10 September 2019 04:21 CEST | Update | N/A |
| article xml file uploaded | 10 September 2019 04:21 CEST | Update | N/A |
| article pdf uploaded. | 4 September 2019 16:19 CEST | Updated version of record | https://www.mdpi.com/1999-4915/11/9/820/pdf-vor |
| article xml file uploaded | 4 September 2019 16:19 CEST | Update | N/A |
| article xml file uploaded | 4 September 2019 16:18 CEST | Original file | N/A |
| article pdf uploaded. | 4 September 2019 16:18 CEST | Version of Record | https://www.mdpi.com/1999-4915/11/9/820/pdf-vor |
