| article html file updated | 1 September 2025 16:57 CEST | Update | https://www.mdpi.com/1999-4907/12/1/13 |
| article html file updated | 23 July 2022 07:12 CEST | Update | - |
| article html file updated | 28 December 2020 03:08 CET | Update | - |
| article pdf uploaded. | 28 December 2020 03:07 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/13/pdf |
| article xml uploaded. | 28 December 2020 03:07 CET | Update | https://www.mdpi.com/1999-4907/12/1/13/xml |
| article xml file uploaded | 28 December 2020 03:07 CET | Update | - |
| article html file updated | 24 December 2020 16:18 CET | Update | - |
| article pdf uploaded. | 24 December 2020 16:16 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/13/pdf-vor |
| article xml uploaded. | 24 December 2020 16:16 CET | Update | - |
| article xml file uploaded | 24 December 2020 16:16 CET | Update | - |
| article html file updated | 24 December 2020 15:50 CET | Original file | - |
| article pdf uploaded. | 24 December 2020 15:49 CET | Version of Record | https://www.mdpi.com/1999-4907/12/1/13/pdf-vor |
| article xml uploaded. | 24 December 2020 15:49 CET | Update | - |
| article xml file uploaded | 24 December 2020 15:49 CET | Original file | - |
