| article html file updated | 31 August 2025 03:24 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4621 |
| article html file updated | 20 July 2022 01:02 CEST | Update | N/A |
| article html file updated | 14 February 2020 03:28 CET | Update | N/A |
| article html file updated | 15 November 2019 12:59 CET | Update | N/A |
| article html file updated | 25 October 2019 04:57 CEST | Update | N/A |
| article pdf uploaded. | 25 October 2019 04:55 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4621/pdf |
| article xml uploaded. | 25 October 2019 04:55 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4621/xml |
| article xml file uploaded | 25 October 2019 04:55 CEST | Update | N/A |
| article html file updated | 24 October 2019 09:41 CEST | Original file | N/A |
| article pdf uploaded. | 24 October 2019 09:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/21/4621/pdf-vor |
| article xml uploaded. | 24 October 2019 09:39 CEST | Update | N/A |
| article xml file uploaded | 24 October 2019 09:39 CEST | Original file | N/A |
