| article html file updated | 31 August 2025 18:03 CEST | Update | https://www.mdpi.com/2218-6581/9/2/28 |
| article html file updated | 21 July 2022 02:30 CEST | Update | - |
| article html file updated | 22 April 2020 14:28 CEST | Update | - |
| article pdf uploaded. | 22 April 2020 14:26 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/2/28/pdf |
| article xml uploaded. | 22 April 2020 14:26 CEST | Update | https://www.mdpi.com/2218-6581/9/2/28/xml |
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| article html file updated | 20 April 2020 18:41 CEST | Original file | - |
| article pdf uploaded. | 20 April 2020 16:27 CEST | Version of Record | https://www.mdpi.com/2218-6581/9/2/28/pdf-vor |
| article xml file uploaded | 20 April 2020 16:27 CEST | Original file | - |
