| article html file updated | 30 August 2025 21:00 CEST | Update | https://www.mdpi.com/2218-273X/9/6/226 |
| article html file updated | 21 August 2025 21:19 CEST | Update | - |
| article html file updated | 20 July 2022 15:45 CEST | Update | - |
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| article html file updated | 21 October 2019 17:33 CEST | Update | - |
| article html file updated | 4 July 2019 17:35 CEST | Update | - |
| article html file updated | 13 June 2019 09:26 CEST | Original file | - |
| article pdf uploaded. | 13 June 2019 09:24 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/6/226/pdf |
| article xml uploaded. | 13 June 2019 09:24 CEST | Update | https://www.mdpi.com/2218-273X/9/6/226/xml |
| article xml file uploaded | 13 June 2019 09:24 CEST | Update | - |
| article pdf uploaded. | 11 June 2019 16:31 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/6/226/pdf-vor |
| article xml file uploaded | 11 June 2019 16:31 CEST | Original file | - |
