| article html file updated | 31 August 2025 17:41 CEST | Update | https://www.mdpi.com/2223-7747/9/4/516 |
| article html file updated | 21 July 2022 02:09 CEST | Update | - |
| article html file updated | 9 May 2020 04:34 CEST | Update | - |
| article html file updated | 17 April 2020 14:25 CEST | Original file | - |
| article pdf uploaded. | 17 April 2020 14:24 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/516/pdf |
| article xml uploaded. | 17 April 2020 14:24 CEST | Update | https://www.mdpi.com/2223-7747/9/4/516/xml |
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| article pdf uploaded. | 16 April 2020 19:39 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/516/pdf-vor |
| article xml file uploaded | 16 April 2020 19:39 CEST | Original file | - |
