| article html file updated | 31 August 2025 17:29 CEST | Update | https://www.mdpi.com/2076-3921/9/4/315 |
| article html file updated | 21 July 2022 01:57 CEST | Update | N/A |
| article html file updated | 26 April 2020 11:48 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2020 11:47 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/315/pdf |
| article xml uploaded. | 26 April 2020 11:47 CEST | Update | https://www.mdpi.com/2076-3921/9/4/315/xml |
| article xml file uploaded | 26 April 2020 11:47 CEST | Update | N/A |
| article pdf uploaded. | 15 April 2020 14:26 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/315/pdf-vor |
| article xml file uploaded | 15 April 2020 14:26 CEST | Original file | N/A |
