| article html file updated | 2 September 2025 02:54 CEST | Update | https://www.mdpi.com/2218-1989/11/4/223 |
| article html file updated | 25 July 2022 11:01 CEST | Update | N/A |
| article html file updated | 4 August 2021 11:45 CEST | Update | N/A |
| article html file updated | 11 April 2021 11:04 CEST | Update | N/A |
| article html file updated | 7 April 2021 09:03 CEST | Original file | N/A |
| article pdf uploaded. | 7 April 2021 09:02 CEST | Updated version of record | https://www.mdpi.com/2218-1989/11/4/223/pdf |
| article xml uploaded. | 7 April 2021 09:02 CEST | Update | https://www.mdpi.com/2218-1989/11/4/223/xml |
| article xml file uploaded | 7 April 2021 09:02 CEST | Original file | N/A |
| article pdf uploaded. | 6 April 2021 19:17 CEST | Updated version of record | https://www.mdpi.com/2218-1989/11/4/223/pdf-vor |
| article pdf uploaded. | 6 April 2021 18:47 CEST | Version of Record | https://www.mdpi.com/2218-1989/11/4/223/pdf-vor |
