| article html file updated | 31 August 2025 04:07 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4815 |
| article html file updated | 20 July 2022 00:14 CEST | Update | N/A |
| article html file updated | 14 February 2020 06:58 CET | Update | N/A |
| article html file updated | 15 November 2019 14:51 CET | Update | N/A |
| article html file updated | 6 November 2019 14:27 CET | Update | N/A |
| article pdf uploaded. | 6 November 2019 14:25 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4815/pdf |
| article xml uploaded. | 6 November 2019 14:25 CET | Update | https://www.mdpi.com/1424-8220/19/21/4815/xml |
| article xml file uploaded | 6 November 2019 14:25 CET | Update | N/A |
| article html file updated | 5 November 2019 13:15 CET | Original file | N/A |
| article pdf uploaded. | 5 November 2019 13:14 CET | Version of Record | https://www.mdpi.com/1424-8220/19/21/4815/pdf-vor |
| article xml uploaded. | 5 November 2019 13:14 CET | Update | N/A |
| article xml file uploaded | 5 November 2019 13:14 CET | Original file | N/A |
