| article html file updated | 30 August 2025 14:19 CEST | Update | https://www.mdpi.com/2073-4395/9/4/207 |
| article html file updated | 19 July 2022 17:51 CEST | Update | - |
| article html file updated | 12 February 2020 07:29 CET | Update | - |
| article html file updated | 18 October 2019 22:17 CEST | Update | - |
| article html file updated | 8 May 2019 17:27 CEST | Update | - |
| article html file updated | 25 April 2019 07:35 CEST | Update | - |
| article html file updated | 24 April 2019 12:55 CEST | Original file | - |
| article pdf uploaded. | 24 April 2019 12:54 CEST | Version of Record | https://www.mdpi.com/2073-4395/9/4/207/pdf |
| article xml uploaded. | 24 April 2019 12:54 CEST | Update | https://www.mdpi.com/2073-4395/9/4/207/xml |
| article xml file uploaded | 24 April 2019 12:54 CEST | Original file | - |
