| article html file updated | 25 December 2025 03:27 CET | Update | https://www.mdpi.com/1424-2818/13/2/61 |
| article html file updated | 1 September 2025 20:43 CEST | Update | N/A |
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| article pdf uploaded. | 24 February 2021 11:35 CET | Updated version of record | https://www.mdpi.com/1424-2818/13/2/61/pdf |
| article xml uploaded. | 24 February 2021 11:35 CET | Update | https://www.mdpi.com/1424-2818/13/2/61/xml |
| article xml file uploaded | 24 February 2021 11:35 CET | Update | N/A |
| article html file updated | 5 February 2021 03:51 CET | Original file | N/A |
| article pdf uploaded. | 5 February 2021 03:50 CET | Updated version of record | https://www.mdpi.com/1424-2818/13/2/61/pdf-vor |
| article xml uploaded. | 5 February 2021 03:50 CET | Update | N/A |
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| article pdf uploaded. | 4 February 2021 14:51 CET | Updated version of record | https://www.mdpi.com/1424-2818/13/2/61/pdf-vor |
| article pdf uploaded. | 4 February 2021 13:17 CET | Version of Record | https://www.mdpi.com/1424-2818/13/2/61/pdf-vor |
