| article html file updated | 1 September 2025 01:34 CEST | Update | https://www.mdpi.com/2227-9067/7/7/73 |
| article html file updated | 21 July 2022 22:54 CEST | Update | N/A |
| article html file updated | 29 July 2020 06:35 CEST | Update | N/A |
| article html file updated | 3 July 2020 07:43 CEST | Original file | N/A |
| article pdf uploaded. | 3 July 2020 07:41 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/7/73/pdf |
| article xml uploaded. | 3 July 2020 07:41 CEST | Update | https://www.mdpi.com/2227-9067/7/7/73/xml |
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