| article html file updated | 30 August 2025 10:56 CEST | Update | https://www.mdpi.com/1424-8220/19/2/294 |
| article html file updated | 20 July 2022 16:10 CEST | Update | - |
| article html file updated | 11 February 2020 08:32 CET | Update | - |
| article html file updated | 13 October 2019 06:53 CEST | Update | - |
| article html file updated | 27 April 2019 07:26 CEST | Update | - |
| article html file updated | 13 April 2019 03:34 CEST | Update | - |
| article html file updated | 3 April 2019 02:32 CEST | Update | - |
| article html file updated | 30 January 2019 05:59 CET | Update | - |
| article html file updated | 14 January 2019 04:35 CET | Update | - |
| article pdf uploaded. | 14 January 2019 04:33 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/2/294/pdf |
| article xml uploaded. | 14 January 2019 04:33 CET | Update | https://www.mdpi.com/1424-8220/19/2/294/xml |
| article xml file uploaded | 14 January 2019 04:33 CET | Update | - |
| article html file updated | 12 January 2019 12:40 CET | Original file | - |
| article pdf uploaded. | 12 January 2019 12:38 CET | Version of Record | https://www.mdpi.com/1424-8220/19/2/294/pdf-vor |
| article xml uploaded. | 12 January 2019 12:38 CET | Update | - |
| article xml file uploaded | 12 January 2019 12:38 CET | Original file | - |