| article html file updated | 2 September 2025 03:17 CEST | Update | https://www.mdpi.com/1999-4907/12/4/457 |
| article html file updated | 25 July 2022 11:32 CEST | Update | N/A |
| article html file updated | 4 August 2021 21:03 CEST | Update | N/A |
| article html file updated | 22 April 2021 13:34 CEST | Update | N/A |
| article pdf uploaded. | 22 April 2021 13:32 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/457/pdf |
| article xml uploaded. | 22 April 2021 13:32 CEST | Update | https://www.mdpi.com/1999-4907/12/4/457/xml |
| article xml file uploaded | 22 April 2021 13:32 CEST | Update | N/A |
| article html file updated | 12 April 2021 11:18 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2021 11:16 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/457/pdf-vor |
| article xml file uploaded | 12 April 2021 11:16 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2021 15:34 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/457/pdf-vor |
| article pdf uploaded. | 9 April 2021 15:31 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/457/pdf-vor |