| article html file updated | 1 September 2025 11:51 CEST | Update | https://www.mdpi.com/2199-8531/6/4/127 |
| article html file updated | 22 July 2022 22:26 CEST | Update | - |
| article html file updated | 24 December 2020 15:09 CET | Update | - |
| article pdf uploaded. | 24 December 2020 15:08 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/127/pdf |
| article xml uploaded. | 24 December 2020 15:08 CET | Update | https://www.mdpi.com/2199-8531/6/4/127/xml |
| article xml file uploaded | 24 December 2020 15:08 CET | Update | - |
| article html file updated | 25 October 2020 12:15 CET | Update | - |
| article pdf uploaded. | 25 October 2020 12:13 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/127/pdf-vor |
| article xml uploaded. | 25 October 2020 12:13 CET | Update | - |
| article xml file uploaded | 25 October 2020 12:13 CET | Update | - |
| article html file updated | 25 October 2020 09:57 CET | Original file | - |
| article pdf uploaded. | 25 October 2020 09:56 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/127/pdf-vor |
| article xml uploaded. | 25 October 2020 09:56 CET | Update | - |
| article xml file uploaded | 25 October 2020 09:56 CET | Original file | - |
