| article html file updated | 31 August 2025 14:41 CEST | Update | https://www.mdpi.com/1424-8220/20/6/1668 |
| article html file updated | 20 July 2022 23:10 CEST | Update | - |
| article html file updated | 1 April 2020 19:02 CEST | Update | - |
| article html file updated | 17 March 2020 14:47 CET | Original file | - |
| article pdf uploaded. | 17 March 2020 14:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/6/1668/pdf |
| article xml uploaded. | 17 March 2020 14:45 CET | Update | https://www.mdpi.com/1424-8220/20/6/1668/xml |
| article xml file uploaded | 17 March 2020 14:45 CET | Update | - |
| article xml file uploaded | 17 March 2020 13:28 CET | Original file | - |
