| article html file updated | 22 August 2026 00:48 CEST | Update | https://www.mdpi.com/2379-139X/8/2/81 |
| article html file updated | 2 August 2022 17:08 CEST | Update | N/A |
| article html file updated | 2 April 2022 13:20 CEST | Update | N/A |
| article pdf uploaded. | 2 April 2022 13:19 CEST | Updated version of record | https://www.mdpi.com/2379-139X/8/2/81/pdf |
| article xml uploaded. | 2 April 2022 13:19 CEST | Update | https://www.mdpi.com/2379-139X/8/2/81/xml |
| article xml file uploaded | 2 April 2022 13:19 CEST | Update | N/A |
| article html file updated | 2 April 2022 13:05 CEST | Original file | N/A |
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