| article html file updated | 31 August 2025 03:49 CEST | Update | https://www.mdpi.com/2227-7080/7/4/77 |
| article html file updated | 20 July 2022 00:34 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:33 CET | Update | N/A |
| article html file updated | 31 October 2019 11:13 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2019 11:11 CET | Version of Record | https://www.mdpi.com/2227-7080/7/4/77/pdf |
| article xml uploaded. | 31 October 2019 11:11 CET | Update | https://www.mdpi.com/2227-7080/7/4/77/xml |
| article xml file uploaded | 31 October 2019 11:11 CET | Original file | N/A |
