| article html file updated | 31 August 2025 03:05 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4521 |
| article html file updated | 20 July 2022 01:24 CEST | Update | - |
| article html file updated | 14 February 2020 01:49 CET | Update | - |
| article html file updated | 31 October 2019 01:41 CET | Update | - |
| article html file updated | 22 October 2019 06:43 CEST | Original file | - |
| article pdf uploaded. | 22 October 2019 06:42 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4521/pdf |
| article xml uploaded. | 22 October 2019 06:42 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4521/xml |
| article xml file uploaded | 22 October 2019 06:42 CEST | Update | - |
| article pdf uploaded. | 17 October 2019 15:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4521/pdf-vor |
| article xml file uploaded | 17 October 2019 15:31 CEST | Original file | - |
