| article html file updated | 1 September 2025 13:54 CEST | Update | https://www.mdpi.com/2199-8531/6/4/160 |
| article html file updated | 23 July 2022 01:46 CEST | Update | - |
| article html file updated | 20 November 2020 10:12 CET | Update | - |
| article pdf uploaded. | 20 November 2020 10:10 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/160/pdf |
| article xml uploaded. | 20 November 2020 10:10 CET | Update | https://www.mdpi.com/2199-8531/6/4/160/xml |
| article xml file uploaded | 20 November 2020 10:10 CET | Update | - |
| article html file updated | 20 November 2020 07:30 CET | Original file | - |
| article pdf uploaded. | 20 November 2020 07:28 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/160/pdf-vor |
| article xml uploaded. | 20 November 2020 07:28 CET | Update | - |
| article xml file uploaded | 20 November 2020 07:28 CET | Original file | - |
| article pdf uploaded. | 19 November 2020 14:46 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/160/pdf-vor |