| article html file updated | 1 September 2025 15:57 CEST | Update | https://www.mdpi.com/2199-8531/6/4/191 |
| article html file updated | 23 July 2022 05:01 CEST | Update | N/A |
| article html file updated | 22 December 2020 11:55 CET | Update | N/A |
| article pdf uploaded. | 22 December 2020 11:39 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/191/pdf |
| article xml uploaded. | 22 December 2020 11:39 CET | Update | https://www.mdpi.com/2199-8531/6/4/191/xml |
| article xml file uploaded | 22 December 2020 11:39 CET | Update | N/A |
| article html file updated | 17 December 2020 12:12 CET | Update | N/A |
| article pdf uploaded. | 17 December 2020 12:10 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/191/pdf-vor |
| article xml uploaded. | 17 December 2020 12:10 CET | Update | N/A |
| article xml file uploaded | 17 December 2020 12:10 CET | Update | N/A |
| article html file updated | 14 December 2020 09:39 CET | Original file | N/A |
| article pdf uploaded. | 14 December 2020 09:37 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/191/pdf-vor |
| article xml uploaded. | 14 December 2020 09:37 CET | Update | N/A |
| article xml file uploaded | 14 December 2020 09:37 CET | Original file | N/A |
