| article html file updated | 31 August 2025 04:07 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4222 |
| article html file updated | 21 August 2025 23:12 CEST | Update | - |
| article html file updated | 20 July 2022 00:13 CEST | Update | - |
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| article html file updated | 15 November 2019 09:44 CET | Update | - |
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| article html file updated | 8 November 2019 04:05 CET | Update | - |
| article xml uploaded. | 8 November 2019 04:03 CET | Update | https://www.mdpi.com/1996-1073/12/21/4222/xml |
| article xml uploaded. | 8 November 2019 04:03 CET | Update | - |
| article xml uploaded. | 8 November 2019 04:03 CET | Update | - |
| article pdf uploaded. | 8 November 2019 04:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4222/pdf |
| article html file updated | 5 November 2019 16:25 CET | Original file | - |
| article pdf uploaded. | 5 November 2019 16:24 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4222/pdf-vor |
| article xml uploaded. | 5 November 2019 16:24 CET | Update | - |
| article xml file uploaded | 5 November 2019 16:24 CET | Original file | - |
