| article html file updated | 1 September 2025 04:50 CEST | Update | https://www.mdpi.com/1996-1073/13/15/4021 |
| article html file updated | 22 July 2022 02:23 CEST | Update | N/A |
| article html file updated | 5 August 2020 10:23 CEST | Original file | N/A |
| article pdf uploaded. | 5 August 2020 10:21 CEST | Updated version of record | https://www.mdpi.com/1996-1073/13/15/4021/pdf |
| article xml uploaded. | 5 August 2020 10:21 CEST | Update | https://www.mdpi.com/1996-1073/13/15/4021/xml |
| article xml file uploaded | 5 August 2020 10:21 CEST | Original file | N/A |
| article pdf uploaded. | 4 August 2020 12:26 CEST | Version of Record | https://www.mdpi.com/1996-1073/13/15/4021/pdf-vor |