| article html file updated | 31 August 2025 08:20 CEST | Update | https://www.mdpi.com/1996-1073/13/1/281 |
| article html file updated | 19 July 2022 19:59 CEST | Update | - |
| article html file updated | 15 February 2020 00:37 CET | Update | - |
| article html file updated | 16 January 2020 14:40 CET | Update | - |
| article html file updated | 10 January 2020 05:40 CET | Original file | - |
| article pdf uploaded. | 8 January 2020 05:32 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/1/281/pdf |
| article xml uploaded. | 8 January 2020 05:32 CET | Update | https://www.mdpi.com/1996-1073/13/1/281/xml |
| article xml file uploaded | 8 January 2020 05:32 CET | Update | - |
| article pdf uploaded. | 6 January 2020 15:21 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/281/pdf-vor |
| article xml file uploaded | 6 January 2020 15:21 CET | Original file | - |
