| article html file updated | 31 August 2025 16:26 CEST | Update | https://www.mdpi.com/2077-1312/8/4/251 |
| article html file updated | 21 July 2022 00:55 CEST | Update | - |
| article html file updated | 11 May 2020 10:13 CEST | Update | - |
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| article pdf uploaded. | 7 April 2020 15:42 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/4/251/pdf |
| article xml uploaded. | 7 April 2020 15:42 CEST | Update | https://www.mdpi.com/2077-1312/8/4/251/xml |
| article xml file uploaded | 7 April 2020 15:42 CEST | Update | - |
| article pdf uploaded. | 3 April 2020 15:26 CEST | Version of Record | https://www.mdpi.com/2077-1312/8/4/251/pdf-vor |
| article xml file uploaded | 3 April 2020 15:26 CEST | Original file | - |
