| article html file updated | 1 September 2025 00:52 CEST | Update | https://www.mdpi.com/2223-7747/9/6/802 |
| article html file updated | 21 July 2022 22:10 CEST | Update | N/A |
| article html file updated | 6 July 2020 13:14 CEST | Update | N/A |
| article html file updated | 26 June 2020 14:48 CEST | Update | N/A |
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| article pdf uploaded. | 26 June 2020 14:47 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/802/pdf |
| article xml uploaded. | 26 June 2020 14:47 CEST | Update | https://www.mdpi.com/2223-7747/9/6/802/xml |
| article xml file uploaded | 26 June 2020 14:47 CEST | Update | N/A |
| article xml file uploaded | 26 June 2020 14:46 CEST | Original file | N/A |
