| article html file updated | 1 September 2025 16:16 CEST | Update | https://www.mdpi.com/2199-8531/6/4/196 |
| article html file updated | 23 July 2022 05:36 CEST | Update | - |
| article html file updated | 21 December 2020 11:27 CET | Update | - |
| article pdf uploaded. | 21 December 2020 11:23 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/196/pdf |
| article xml uploaded. | 21 December 2020 11:23 CET | Update | https://www.mdpi.com/2199-8531/6/4/196/xml |
| article xml file uploaded | 21 December 2020 11:23 CET | Update | - |
| article html file updated | 17 December 2020 11:34 CET | Original file | - |
| article pdf uploaded. | 17 December 2020 11:05 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/196/pdf-vor |
| article xml uploaded. | 17 December 2020 11:05 CET | Update | - |
| article xml file uploaded | 17 December 2020 11:05 CET | Original file | - |
