| article html file updated | 19 August 2026 06:27 CEST | Update | https://www.mdpi.com/1999-4907/12/4/440 |
| article html file updated | 25 December 2025 07:40 CET | Update | N/A |
| article html file updated | 2 September 2025 02:48 CEST | Update | N/A |
| article html file updated | 25 July 2022 10:53 CEST | Update | N/A |
| article html file updated | 4 August 2021 09:10 CEST | Update | N/A |
| article html file updated | 11 April 2021 08:35 CEST | Update | N/A |
| article html file updated | 11 April 2021 08:31 CEST | Update | N/A |
| article html file updated | 6 April 2021 11:16 CEST | Update | N/A |
| article pdf uploaded. | 6 April 2021 11:15 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/440/pdf |
| article xml uploaded. | 6 April 2021 11:15 CEST | Update | https://www.mdpi.com/1999-4907/12/4/440/xml |
| article xml file uploaded | 6 April 2021 11:15 CEST | Update | N/A |
| article html file updated | 6 April 2021 08:44 CEST | Original file | N/A |
| article xml file uploaded | 6 April 2021 08:43 CEST | Original file | N/A |
