| article html file updated | 31 August 2025 17:16 CEST | Update | https://www.mdpi.com/2079-9292/9/4/639 |
| article html file updated | 21 July 2022 01:45 CEST | Update | N/A |
| article html file updated | 8 May 2020 16:53 CEST | Update | N/A |
| article html file updated | 22 April 2020 08:16 CEST | Original file | N/A |
| article pdf uploaded. | 22 April 2020 08:14 CEST | Updated version of record | https://www.mdpi.com/2079-9292/9/4/639/pdf |
| article xml uploaded. | 22 April 2020 08:14 CEST | Update | https://www.mdpi.com/2079-9292/9/4/639/xml |
| article xml file uploaded | 22 April 2020 08:14 CEST | Update | N/A |
| article pdf uploaded. | 13 April 2020 14:16 CEST | Version of Record | https://www.mdpi.com/2079-9292/9/4/639/pdf-vor |
| article xml file uploaded | 13 April 2020 14:16 CEST | Original file | N/A |
