| article html file updated | 31 August 2025 08:13 CEST | Update | https://www.mdpi.com/1996-1073/13/1/259 |
| article html file updated | 19 July 2022 20:06 CEST | Update | - |
| article html file updated | 15 February 2020 00:12 CET | Update | - |
| article html file updated | 16 January 2020 14:17 CET | Update | - |
| article html file updated | 10 January 2020 04:30 CET | Original file | - |
| article pdf uploaded. | 4 January 2020 11:42 CET | Version of Record | https://www.mdpi.com/1996-1073/13/1/259/pdf |
| article xml uploaded. | 4 January 2020 11:42 CET | Update | https://www.mdpi.com/1996-1073/13/1/259/xml |
| article xml file uploaded | 4 January 2020 11:42 CET | Original file | - |
