| article html file updated | 30 August 2025 03:22 CEST | Update | https://www.mdpi.com/2073-4395/8/4/43 |
| article html file updated | 21 August 2025 19:54 CEST | Update | - |
| article html file updated | 16 July 2022 10:32 CEST | Update | - |
| article html file updated | 9 February 2020 12:50 CET | Update | - |
| article html file updated | 1 May 2019 05:28 CEST | Update | - |
| article html file updated | 17 April 2019 05:38 CEST | Update | - |
| article html file updated | 29 March 2019 13:24 CET | Update | - |
| article html file updated | 1 May 2018 10:13 CEST | Update | - |
| article html file updated | 6 April 2018 13:57 CEST | Original file | - |
| article xml uploaded. | 6 April 2018 13:56 CEST | Update | https://www.mdpi.com/2073-4395/8/4/43/xml |
| article pdf uploaded. | 6 April 2018 13:56 CEST | Version of Record | https://www.mdpi.com/2073-4395/8/4/43/pdf |
