| article html file updated | 31 August 2025 14:06 CEST | Update | https://www.mdpi.com/1424-8220/20/6/1550 |
| article html file updated | 20 July 2022 22:35 CEST | Update | N/A |
| article html file updated | 1 April 2020 17:17 CEST | Update | N/A |
| article html file updated | 13 March 2020 09:22 CET | Original file | N/A |
| article pdf uploaded. | 13 March 2020 09:20 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/6/1550/pdf |
| article xml uploaded. | 13 March 2020 09:20 CET | Update | https://www.mdpi.com/1424-8220/20/6/1550/xml |
| article xml file uploaded | 13 March 2020 09:20 CET | Update | N/A |
| article pdf uploaded. | 11 March 2020 11:41 CET | Version of Record | https://www.mdpi.com/1424-8220/20/6/1550/pdf-vor |
| article xml file uploaded | 11 March 2020 11:41 CET | Original file | N/A |
