| article html file updated | 31 August 2025 03:13 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3990 |
| article html file updated | 20 July 2022 01:16 CEST | Update | - |
| article html file updated | 14 February 2020 02:27 CET | Update | - |
| article html file updated | 29 October 2019 22:32 CET | Update | - |
| article html file updated | 20 October 2019 10:00 CEST | Original file | - |
| article pdf uploaded. | 20 October 2019 09:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3990/pdf |
| article xml uploaded. | 20 October 2019 09:59 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3990/xml |
| article xml file uploaded | 20 October 2019 09:58 CEST | Original file | - |
