| article html file updated | 24 December 2025 18:25 CET | Update | https://www.mdpi.com/2076-3921/9/4/314 |
| article html file updated | 31 August 2025 17:29 CEST | Update | N/A |
| article html file updated | 21 July 2022 01:57 CEST | Update | N/A |
| article html file updated | 24 April 2020 13:20 CEST | Original file | N/A |
| article pdf uploaded. | 24 April 2020 13:19 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/314/pdf |
| article xml uploaded. | 24 April 2020 13:19 CEST | Update | https://www.mdpi.com/2076-3921/9/4/314/xml |
| article xml file uploaded | 24 April 2020 13:19 CEST | Update | N/A |
| article pdf uploaded. | 15 April 2020 14:25 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/314/pdf-vor |
| article xml file uploaded | 15 April 2020 14:25 CEST | Original file | N/A |
