| article html file updated | 31 August 2025 11:29 CEST | Update | https://www.mdpi.com/1424-8220/20/4/990 |
| article html file updated | 20 July 2022 20:01 CEST | Update | N/A |
| article html file updated | 6 March 2020 09:44 CET | Update | N/A |
| article html file updated | 17 February 2020 03:09 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2020 03:07 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/4/990/pdf |
| article xml uploaded. | 17 February 2020 03:07 CET | Update | https://www.mdpi.com/1424-8220/20/4/990/xml |
| article xml file uploaded | 17 February 2020 03:07 CET | Update | N/A |
| article pdf uploaded. | 12 February 2020 15:34 CET | Version of Record | https://www.mdpi.com/1424-8220/20/4/990/pdf-vor |
| article xml file uploaded | 12 February 2020 15:34 CET | Original file | N/A |
