| article html file updated | 17 August 2026 06:55 CEST | Update | https://www.mdpi.com/2079-9292/9/4/550 |
| article html file updated | 31 August 2025 15:29 CEST | Update | N/A |
| article html file updated | 20 July 2022 23:58 CEST | Update | N/A |
| article html file updated | 8 May 2020 16:17 CEST | Update | N/A |
| article html file updated | 31 March 2020 14:48 CEST | Original file | N/A |
| article pdf uploaded. | 31 March 2020 14:47 CEST | Updated version of record | https://www.mdpi.com/2079-9292/9/4/550/pdf |
| article xml uploaded. | 31 March 2020 14:47 CEST | Update | https://www.mdpi.com/2079-9292/9/4/550/xml |
| article xml file uploaded | 31 March 2020 14:47 CEST | Update | N/A |
| article pdf uploaded. | 25 March 2020 15:31 CET | Version of Record | https://www.mdpi.com/2079-9292/9/4/550/pdf-vor |
| article xml file uploaded | 25 March 2020 15:31 CET | Original file | N/A |
