| article html file updated | 31 August 2025 18:02 CEST | Update | https://www.mdpi.com/2076-3921/9/4/337 |
| article html file updated | 21 July 2022 02:30 CEST | Update | N/A |
| article html file updated | 27 April 2020 04:31 CEST | Original file | N/A |
| article pdf uploaded. | 27 April 2020 04:30 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/337/pdf |
| article xml uploaded. | 27 April 2020 04:30 CEST | Update | https://www.mdpi.com/2076-3921/9/4/337/xml |
| article xml file uploaded | 27 April 2020 04:30 CEST | Update | N/A |
| article pdf uploaded. | 20 April 2020 15:26 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/337/pdf-vor |
| article xml file uploaded | 20 April 2020 15:26 CEST | Original file | N/A |
