| article html file updated | 1 September 2025 16:42 CEST | Update | https://www.mdpi.com/1996-1073/14/1/15 |
| article html file updated | 22 August 2025 00:28 CEST | Update | - |
| article html file updated | 23 July 2022 06:33 CEST | Update | - |
| article html file updated | 24 December 2020 03:35 CET | Update | - |
| article pdf uploaded. | 24 December 2020 03:33 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/15/pdf |
| article xml uploaded. | 24 December 2020 03:33 CET | Update | https://www.mdpi.com/1996-1073/14/1/15/xml |
| article xml file uploaded | 24 December 2020 03:33 CET | Update | - |
| article html file updated | 24 December 2020 02:27 CET | Update | - |
| article xml uploaded. | 24 December 2020 02:25 CET | Update | - |
| article pdf uploaded. | 24 December 2020 02:25 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/15/pdf-vor |
| article xml file uploaded | 24 December 2020 02:24 CET | Update | - |
| article html file updated | 23 December 2020 07:02 CET | Original file | - |
| article pdf uploaded. | 23 December 2020 06:59 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/15/pdf-vor |
| article xml uploaded. | 23 December 2020 06:59 CET | Update | - |
| article xml file uploaded | 23 December 2020 06:59 CET | Original file | - |
| article pdf uploaded. | 22 December 2020 17:18 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/15/pdf-vor |
| article pdf uploaded. | 22 December 2020 15:02 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/15/pdf-vor |
