| article html file updated | 1 September 2025 12:28 CEST | Update | https://www.mdpi.com/2226-471X/5/4/49 |
| article html file updated | 22 July 2022 23:24 CEST | Update | - |
| article html file updated | 4 December 2020 11:55 CET | Update | - |
| article html file updated | 4 November 2020 08:17 CET | Update | - |
| article pdf uploaded. | 4 November 2020 08:14 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/49/pdf |
| article xml uploaded. | 4 November 2020 08:14 CET | Update | https://www.mdpi.com/2226-471X/5/4/49/xml |
| article xml file uploaded | 4 November 2020 08:14 CET | Update | - |
| article html file updated | 3 November 2020 07:52 CET | Original file | - |
| article pdf uploaded. | 3 November 2020 07:50 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/49/pdf-vor |
| article xml uploaded. | 3 November 2020 07:50 CET | Update | - |
| article xml file uploaded | 3 November 2020 07:50 CET | Original file | - |
| article pdf uploaded. | 31 October 2020 11:32 CET | Version of Record | https://www.mdpi.com/2226-471X/5/4/49/pdf-vor |
