| article html file updated | 31 August 2025 06:05 CEST | Update | https://www.mdpi.com/2227-7102/9/4/292 |
| article html file updated | 19 July 2022 22:09 CEST | Update | - |
| article html file updated | 14 February 2020 17:04 CET | Update | - |
| article html file updated | 31 December 2019 13:06 CET | Update | - |
| article html file updated | 9 December 2019 10:28 CET | Original file | - |
| article pdf uploaded. | 9 December 2019 10:27 CET | Version of Record | https://www.mdpi.com/2227-7102/9/4/292/pdf |
| article xml uploaded. | 9 December 2019 10:27 CET | Update | https://www.mdpi.com/2227-7102/9/4/292/xml |
| article xml file uploaded | 9 December 2019 10:27 CET | Original file | - |
