| article html file updated | 31 August 2025 04:25 CEST | Update | https://www.mdpi.com/2075-4701/9/11/1209 |
| article html file updated | 19 July 2022 23:54 CEST | Update | - |
| article html file updated | 14 February 2020 08:29 CET | Update | - |
| article html file updated | 29 November 2019 09:30 CET | Update | - |
| article html file updated | 21 November 2019 09:41 CET | Update | - |
| article pdf uploaded. | 21 November 2019 09:39 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/11/1209/pdf |
| article xml uploaded. | 21 November 2019 09:39 CET | Update | https://www.mdpi.com/2075-4701/9/11/1209/xml |
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| article html file updated | 21 November 2019 09:35 CET | Update | - |
| article pdf uploaded. | 21 November 2019 09:33 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/11/1209/pdf-vor |
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| article xml file uploaded | 21 November 2019 09:32 CET | Update | - |
| article html file updated | 21 November 2019 05:47 CET | Update | - |
| article pdf uploaded. | 21 November 2019 05:45 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/11/1209/pdf-vor |
| article xml uploaded. | 21 November 2019 05:45 CET | Update | - |
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| article html file updated | 10 November 2019 12:58 CET | Original file | - |
| article pdf uploaded. | 10 November 2019 12:57 CET | Version of Record | https://www.mdpi.com/2075-4701/9/11/1209/pdf-vor |
| article xml uploaded. | 10 November 2019 12:57 CET | Update | - |
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