| article html file updated | 16 August 2026 14:55 CEST | Update | https://www.mdpi.com/2227-7080/7/4/71 |
| article html file updated | 31 August 2025 02:19 CEST | Update | N/A |
| article html file updated | 20 July 2022 02:21 CEST | Update | N/A |
| article html file updated | 13 February 2020 21:53 CET | Update | N/A |
| article html file updated | 20 October 2019 11:36 CEST | Original file | N/A |
| article pdf uploaded. | 20 October 2019 11:35 CEST | Updated version of record | https://www.mdpi.com/2227-7080/7/4/71/pdf |
| article xml uploaded. | 20 October 2019 11:35 CEST | Update | https://www.mdpi.com/2227-7080/7/4/71/xml |
| article xml file uploaded | 20 October 2019 11:35 CEST | Update | N/A |
| article pdf uploaded. | 1 October 2019 14:15 CEST | Version of Record | https://www.mdpi.com/2227-7080/7/4/71/pdf-vor |
| article xml file uploaded | 1 October 2019 14:15 CEST | Original file | N/A |
