| article html file updated | 31 August 2025 23:17 CEST | Update | https://www.mdpi.com/1999-4907/11/6/664 |
| article html file updated | 21 August 2025 23:54 CEST | Update | - |
| article html file updated | 21 July 2022 20:31 CEST | Update | - |
| article html file updated | 11 June 2020 10:55 CEST | Update | - |
| article pdf uploaded. | 11 June 2020 10:53 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/664/pdf |
| article xml uploaded. | 11 June 2020 10:53 CEST | Update | https://www.mdpi.com/1999-4907/11/6/664/xml |
| article xml file uploaded | 11 June 2020 10:53 CEST | Update | - |
| article html file updated | 11 June 2020 09:27 CEST | Original file | - |
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