| article html file updated | 31 August 2025 04:03 CEST | Update | https://www.mdpi.com/2227-7102/9/4/266 |
| article html file updated | 20 July 2022 00:18 CEST | Update | - |
| article html file updated | 14 February 2020 06:44 CET | Update | - |
| article html file updated | 23 November 2019 10:42 CET | Original file | - |
| article pdf uploaded. | 23 November 2019 10:41 CET | Updated version of record | https://www.mdpi.com/2227-7102/9/4/266/pdf |
| article xml uploaded. | 23 November 2019 10:41 CET | Update | https://www.mdpi.com/2227-7102/9/4/266/xml |
| article xml file uploaded | 23 November 2019 10:41 CET | Update | - |
| article pdf uploaded. | 4 November 2019 15:52 CET | Version of Record | https://www.mdpi.com/2227-7102/9/4/266/pdf-vor |
| article xml file uploaded | 4 November 2019 15:52 CET | Original file | - |
