| article html file updated | 25 December 2025 01:00 CET | Update | https://www.mdpi.com/1999-4907/12/1/15 |
| article html file updated | 1 September 2025 16:55 CEST | Update | N/A |
| article html file updated | 23 July 2022 07:07 CEST | Update | N/A |
| article html file updated | 22 January 2021 07:43 CET | Update | N/A |
| article pdf uploaded. | 22 January 2021 07:42 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/15/pdf |
| article xml uploaded. | 22 January 2021 07:42 CET | Update | https://www.mdpi.com/1999-4907/12/1/15/xml |
| article xml file uploaded | 22 January 2021 07:42 CET | Update | N/A |
| article html file updated | 26 December 2020 10:01 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2020 09:59 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/15/pdf-vor |
| article xml uploaded. | 26 December 2020 09:59 CET | Update | N/A |
| article xml file uploaded | 26 December 2020 09:59 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2020 13:35 CET | Version of Record | https://www.mdpi.com/1999-4907/12/1/15/pdf-vor |
