| article html file updated | 1 September 2025 00:46 CEST | Update | https://www.mdpi.com/2227-9059/8/6/174 |
| article html file updated | 21 July 2022 22:05 CEST | Update | - |
| article html file updated | 6 July 2020 09:14 CEST | Update | - |
| article html file updated | 30 June 2020 04:54 CEST | Original file | - |
| article pdf uploaded. | 30 June 2020 04:52 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/6/174/pdf |
| article xml uploaded. | 30 June 2020 04:52 CEST | Update | https://www.mdpi.com/2227-9059/8/6/174/xml |
| article xml file uploaded | 30 June 2020 04:52 CEST | Original file | - |
| article pdf uploaded. | 25 June 2020 16:17 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/6/174/pdf-vor |
| article pdf uploaded. | 25 June 2020 16:17 CEST | Version of Record | https://www.mdpi.com/2227-9059/8/6/174/pdf-vor |
