| article html file updated | 1 September 2025 17:25 CEST | Update | https://www.mdpi.com/2199-8531/7/1/8 |
| article html file updated | 23 July 2022 08:51 CEST | Update | - |
| article html file updated | 31 December 2020 08:14 CET | Update | - |
| article pdf uploaded. | 31 December 2020 08:13 CET | Updated version of record | https://www.mdpi.com/2199-8531/7/1/8/pdf |
| article xml uploaded. | 31 December 2020 08:13 CET | Update | https://www.mdpi.com/2199-8531/7/1/8/xml |
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| article html file updated | 30 December 2020 17:38 CET | Original file | - |
| article pdf uploaded. | 30 December 2020 17:37 CET | Version of Record | https://www.mdpi.com/2199-8531/7/1/8/pdf-vor |
| article xml uploaded. | 30 December 2020 17:37 CET | Update | - |
| article xml file uploaded | 30 December 2020 17:37 CET | Original file | - |
