| article html file updated | 30 August 2025 11:32 CEST | Update | https://www.mdpi.com/2075-4701/9/2/140 |
| article html file updated | 20 July 2022 17:08 CEST | Update | - |
| article html file updated | 11 February 2020 11:56 CET | Update | - |
| article html file updated | 14 October 2019 00:50 CEST | Update | - |
| article html file updated | 27 April 2019 00:41 CEST | Update | - |
| article html file updated | 12 April 2019 20:36 CEST | Update | - |
| article html file updated | 3 April 2019 10:34 CEST | Update | - |
| article html file updated | 28 January 2019 08:19 CET | Original file | - |
| article pdf uploaded. | 28 January 2019 08:18 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/140/pdf |
| article xml uploaded. | 28 January 2019 08:18 CET | Update | https://www.mdpi.com/2075-4701/9/2/140/xml |
| article xml file uploaded | 28 January 2019 08:18 CET | Original file | - |
