| article html file updated | 31 August 2025 21:49 CEST | Update | https://www.mdpi.com/2227-9059/8/6/137 |
| article html file updated | 21 July 2022 06:13 CEST | Update | - |
| article html file updated | 12 June 2020 10:32 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 10:31 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/6/137/pdf |
| article xml uploaded. | 12 June 2020 10:31 CEST | Update | https://www.mdpi.com/2227-9059/8/6/137/xml |
| article xml file uploaded | 12 June 2020 10:31 CEST | Original file | - |
| article pdf uploaded. | 28 May 2020 09:12 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/6/137/pdf-vor |
| article pdf uploaded. | 28 May 2020 09:12 CEST | Version of Record | https://www.mdpi.com/2227-9059/8/6/137/pdf-vor |
