| article html file updated | 24 December 2025 23:43 CET | Update | https://www.mdpi.com/1424-8247/13/12/421 |
| article html file updated | 1 September 2025 14:20 CEST | Update | N/A |
| article html file updated | 23 July 2022 02:27 CEST | Update | N/A |
| article html file updated | 26 November 2020 02:22 CET | Update | N/A |
| article pdf uploaded. | 26 November 2020 02:21 CET | Updated version of record | https://www.mdpi.com/1424-8247/13/12/421/pdf |
| article xml uploaded. | 26 November 2020 02:21 CET | Update | https://www.mdpi.com/1424-8247/13/12/421/xml |
| article xml file uploaded | 26 November 2020 02:21 CET | Update | N/A |
| article html file updated | 25 November 2020 08:54 CET | Original file | N/A |
| article pdf uploaded. | 25 November 2020 08:49 CET | Version of Record | https://www.mdpi.com/1424-8247/13/12/421/pdf-vor |
| article xml uploaded. | 25 November 2020 08:49 CET | Update | N/A |
| article xml file uploaded | 25 November 2020 08:49 CET | Original file | N/A |
