| article html file updated | 19 August 2026 06:21 CEST | Update | https://www.mdpi.com/1999-4907/12/4/434 |
| article html file updated | 2 September 2025 02:44 CEST | Update | N/A |
| article html file updated | 22 August 2025 00:49 CEST | Update | N/A |
| article html file updated | 25 July 2022 10:46 CEST | Update | N/A |
| article html file updated | 4 August 2021 07:14 CEST | Update | N/A |
| article html file updated | 16 April 2021 08:04 CEST | Update | N/A |
| article pdf uploaded. | 16 April 2021 08:02 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/434/pdf |
| article xml uploaded. | 16 April 2021 08:02 CEST | Update | https://www.mdpi.com/1999-4907/12/4/434/xml |
| article xml file uploaded | 16 April 2021 08:02 CEST | Update | N/A |
| article html file updated | 11 April 2021 06:51 CEST | Update | N/A |
| article html file updated | 11 April 2021 06:40 CEST | Update | N/A |
| article html file updated | 9 April 2021 03:40 CEST | Update | N/A |
| article pdf uploaded. | 9 April 2021 03:39 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/434/pdf-vor |
| article xml file uploaded | 9 April 2021 03:39 CEST | Update | N/A |
| article html file updated | 4 April 2021 12:29 CEST | Original file | N/A |
| article pdf uploaded. | 4 April 2021 12:28 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/434/pdf-vor |
| article xml file uploaded | 4 April 2021 12:28 CEST | Original file | N/A |
