| article html file updated | 31 August 2025 15:17 CEST | Update | https://www.mdpi.com/1996-1073/13/6/1520 |
| article html file updated | 20 July 2022 23:47 CEST | Update | - |
| article html file updated | 24 March 2020 14:22 CET | Original file | - |
| article pdf uploaded. | 24 March 2020 14:20 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/6/1520/pdf |
| article xml uploaded. | 24 March 2020 14:20 CET | Update | https://www.mdpi.com/1996-1073/13/6/1520/xml |
| article xml file uploaded | 24 March 2020 14:20 CET | Update | - |
| article pdf uploaded. | 23 March 2020 16:26 CET | Version of Record | https://www.mdpi.com/1996-1073/13/6/1520/pdf-vor |
| article xml file uploaded | 23 March 2020 16:26 CET | Original file | - |
