| article html file updated | 2 September 2025 01:41 CEST | Update | https://www.mdpi.com/2218-2004/9/2/20 |
| article html file updated | 25 July 2022 09:11 CEST | Update | N/A |
| article html file updated | 3 August 2021 02:36 CEST | Update | N/A |
| article html file updated | 30 March 2021 11:22 CEST | Update | N/A |
| article pdf uploaded. | 30 March 2021 11:21 CEST | Updated version of record | https://www.mdpi.com/2218-2004/9/2/20/pdf |
| article xml uploaded. | 30 March 2021 11:21 CEST | Update | https://www.mdpi.com/2218-2004/9/2/20/xml |
| article xml file uploaded | 30 March 2021 11:21 CEST | Update | N/A |
| article html file updated | 26 March 2021 04:35 CET | Update | N/A |
| article pdf uploaded. | 26 March 2021 04:33 CET | Updated version of record | https://www.mdpi.com/2218-2004/9/2/20/pdf-vor |
| article xml file uploaded | 26 March 2021 04:33 CET | Update | N/A |
| article html file updated | 25 March 2021 09:11 CET | Original file | N/A |
| article pdf uploaded. | 25 March 2021 09:09 CET | Version of Record | https://www.mdpi.com/2218-2004/9/2/20/pdf-vor |
| article xml file uploaded | 25 March 2021 09:09 CET | Original file | N/A |
