| article html file updated | 31 August 2025 17:52 CEST | Update | https://www.mdpi.com/1996-1073/13/8/2021 |
| article html file updated | 21 July 2022 02:20 CEST | Update | N/A |
| article html file updated | 8 May 2020 16:29 CEST | Update | N/A |
| article html file updated | 18 April 2020 13:49 CEST | Original file | N/A |
| article pdf uploaded. | 18 April 2020 13:47 CEST | Version of Record | https://www.mdpi.com/1996-1073/13/8/2021/pdf |
| article xml uploaded. | 18 April 2020 13:47 CEST | Update | https://www.mdpi.com/1996-1073/13/8/2021/xml |
| article xml file uploaded | 18 April 2020 13:47 CEST | Original file | N/A |
