| article html file updated | 6 September 2025 19:26 CEST | Update | https://www.mdpi.com/2199-8531/6/3/50 |
| article html file updated | 22 July 2022 00:37 CEST | Update | - |
| article html file updated | 21 July 2020 05:14 CEST | Update | - |
| article pdf uploaded. | 21 July 2020 05:12 CEST | Updated version of record | https://www.mdpi.com/2199-8531/6/3/50/pdf |
| article xml uploaded. | 21 July 2020 05:12 CEST | Update | https://www.mdpi.com/2199-8531/6/3/50/xml |
| article xml file uploaded | 21 July 2020 05:12 CEST | Update | - |
| article html file updated | 20 July 2020 05:48 CEST | Original file | - |
| article pdf uploaded. | 20 July 2020 05:47 CEST | Version of Record | https://www.mdpi.com/2199-8531/6/3/50/pdf-vor |
| article xml file uploaded | 20 July 2020 05:47 CEST | Original file | - |
