| article html file updated | 31 August 2025 03:28 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4639 |
| article html file updated | 20 July 2022 00:57 CEST | Update | - |
| article html file updated | 14 February 2020 03:50 CET | Update | - |
| article html file updated | 15 November 2019 13:08 CET | Update | - |
| article html file updated | 25 October 2019 08:13 CEST | Original file | - |
| article pdf uploaded. | 25 October 2019 08:12 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/21/4639/pdf |
| article xml uploaded. | 25 October 2019 08:12 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4639/xml |
| article xml file uploaded | 25 October 2019 08:12 CEST | Original file | - |
