| article html file updated | 2 September 2025 02:08 CEST | Update | https://www.mdpi.com/2227-9040/9/4/67 |
| article html file updated | 25 July 2022 09:51 CEST | Update | - |
| article html file updated | 3 August 2021 15:10 CEST | Update | - |
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| article html file updated | 30 March 2021 14:14 CEST | Update | - |
| article pdf uploaded. | 30 March 2021 14:12 CEST | Updated version of record | https://www.mdpi.com/2227-9040/9/4/67/pdf |
| article xml uploaded. | 30 March 2021 14:12 CEST | Update | https://www.mdpi.com/2227-9040/9/4/67/xml |
| article xml file uploaded | 30 March 2021 14:12 CEST | Update | - |
| article html file updated | 30 March 2021 09:56 CEST | Original file | - |
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