| article html file updated | 31 August 2025 02:54 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4457 |
| article html file updated | 21 August 2025 22:54 CEST | Update | - |
| article html file updated | 14 February 2020 00:51 CET | Update | - |
| article html file updated | 31 October 2019 00:07 CET | Update | - |
| article html file updated | 18 October 2019 09:56 CEST | Original file | - |
| article pdf uploaded. | 18 October 2019 09:55 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/20/4457/pdf |
| article xml uploaded. | 18 October 2019 09:55 CEST | Update | https://www.mdpi.com/1424-8220/19/20/4457/xml |
| article xml file uploaded | 18 October 2019 09:55 CEST | Update | - |
| article pdf uploaded. | 14 October 2019 17:50 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/20/4457/pdf-vor |
| article xml file uploaded | 14 October 2019 17:50 CEST | Original file | - |
