| article html file updated | 17 August 2026 00:03 CEST | Update | https://www.mdpi.com/1996-1073/13/2/426 |
| article html file updated | 31 August 2025 09:06 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:38 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:17 CET | Update | N/A |
| article html file updated | 7 February 2020 15:22 CET | Update | N/A |
| article html file updated | 19 January 2020 12:11 CET | Original file | N/A |
| article pdf uploaded. | 19 January 2020 12:09 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/426/pdf |
| article xml uploaded. | 19 January 2020 12:09 CET | Update | https://www.mdpi.com/1996-1073/13/2/426/xml |
| article xml file uploaded | 19 January 2020 12:09 CET | Update | N/A |
| article pdf uploaded. | 15 January 2020 17:53 CET | Version of Record | https://www.mdpi.com/1996-1073/13/2/426/pdf-vor |
| article xml file uploaded | 15 January 2020 17:53 CET | Original file | N/A |
