| article html file updated | 1 September 2025 00:31 CEST | Update | https://www.mdpi.com/2227-9059/8/6/171 |
| article html file updated | 21 July 2022 21:50 CEST | Update | - |
| article html file updated | 6 July 2020 09:14 CEST | Update | - |
| article html file updated | 30 June 2020 04:30 CEST | Update | - |
| article pdf uploaded. | 30 June 2020 04:28 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/6/171/pdf |
| article xml uploaded. | 30 June 2020 04:28 CEST | Update | https://www.mdpi.com/2227-9059/8/6/171/xml |
| article xml file uploaded | 30 June 2020 04:28 CEST | Update | - |
| article html file updated | 28 June 2020 13:39 CEST | Original file | - |
| article pdf uploaded. | 28 June 2020 13:37 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/6/171/pdf-vor |
| article xml file uploaded | 28 June 2020 13:37 CEST | Original file | - |
| article pdf uploaded. | 23 June 2020 14:59 CEST | Version of Record | https://www.mdpi.com/2227-9059/8/6/171/pdf-vor |
