| article html file updated | 19 August 2026 05:28 CEST | Update | https://www.mdpi.com/2227-9067/8/4/263 |
| article html file updated | 2 September 2025 02:09 CEST | Update | N/A |
| article html file updated | 25 July 2022 09:54 CEST | Update | N/A |
| article html file updated | 3 August 2021 15:52 CEST | Update | N/A |
| article html file updated | 20 April 2021 02:54 CEST | Update | N/A |
| article pdf uploaded. | 20 April 2021 02:52 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/263/pdf |
| article xml uploaded. | 20 April 2021 02:52 CEST | Update | https://www.mdpi.com/2227-9067/8/4/263/xml |
| article xml file uploaded | 20 April 2021 02:52 CEST | Update | N/A |
| article html file updated | 10 April 2021 11:48 CEST | Update | N/A |
| article html file updated | 1 April 2021 09:32 CEST | Update | N/A |
| article pdf uploaded. | 1 April 2021 09:31 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/263/pdf-vor |
| article xml file uploaded | 1 April 2021 09:30 CEST | Update | N/A |
| article html file updated | 30 March 2021 12:01 CEST | Original file | N/A |
| article pdf uploaded. | 30 March 2021 11:59 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/4/263/pdf-vor |
| article xml file uploaded | 30 March 2021 11:59 CEST | Original file | N/A |
