| article html file updated | 2 September 2025 02:59 CEST | Update | https://www.mdpi.com/2227-7072/9/2/21 |
| article html file updated | 25 July 2022 11:07 CEST | Update | N/A |
| article html file updated | 4 August 2021 13:39 CEST | Update | N/A |
| article html file updated | 14 April 2021 10:42 CEST | Update | N/A |
| article pdf uploaded. | 14 April 2021 10:41 CEST | Updated version of record | https://www.mdpi.com/2227-7072/9/2/21/pdf |
| article xml uploaded. | 14 April 2021 10:41 CEST | Update | https://www.mdpi.com/2227-7072/9/2/21/xml |
| article xml file uploaded | 14 April 2021 10:41 CEST | Update | N/A |
| article html file updated | 13 April 2021 07:13 CEST | Update | N/A |
| article pdf uploaded. | 13 April 2021 07:11 CEST | Updated version of record | https://www.mdpi.com/2227-7072/9/2/21/pdf-vor |
| article xml file uploaded | 13 April 2021 07:11 CEST | Update | N/A |
| article html file updated | 11 April 2021 12:51 CEST | Update | N/A |
| article html file updated | 7 April 2021 13:08 CEST | Original file | N/A |
| article pdf uploaded. | 7 April 2021 13:06 CEST | Version of Record | https://www.mdpi.com/2227-7072/9/2/21/pdf-vor |
| article xml file uploaded | 7 April 2021 13:06 CEST | Original file | N/A |
