| article html file updated | 30 August 2025 04:22 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1868 |
| article html file updated | 16 July 2022 21:16 CEST | Update | - |
| article html file updated | 9 February 2020 20:38 CET | Update | - |
| article html file updated | 4 October 2019 09:06 CEST | Update | - |
| article html file updated | 30 April 2019 12:56 CEST | Update | - |
| article html file updated | 16 April 2019 13:36 CEST | Update | - |
| article html file updated | 16 April 2019 07:57 CEST | Update | - |
| article html file updated | 30 March 2019 08:39 CET | Update | - |
| article html file updated | 7 June 2018 12:12 CEST | Original file | - |
| article pdf uploaded. | 7 June 2018 12:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/6/1868/pdf |
| article xml uploaded. | 7 June 2018 12:11 CEST | Update | https://www.mdpi.com/1424-8220/18/6/1868/xml |
| article xml file uploaded | 7 June 2018 12:11 CEST | Original file | - |