| article html file updated | 31 August 2025 05:48 CEST | Update | https://www.mdpi.com/2227-7099/7/4/117 |
| article html file updated | 19 July 2022 22:26 CEST | Update | N/A |
| article html file updated | 14 February 2020 16:07 CET | Update | N/A |
| article html file updated | 31 December 2019 13:01 CET | Update | N/A |
| article html file updated | 5 December 2019 11:08 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2019 11:07 CET | Version of Record | https://www.mdpi.com/2227-7099/7/4/117/pdf |
| article xml uploaded. | 5 December 2019 11:07 CET | Update | https://www.mdpi.com/2227-7099/7/4/117/xml |
| article xml file uploaded | 5 December 2019 11:07 CET | Original file | N/A |
