| article html file updated | 30 August 2025 20:30 CEST | Update | https://www.mdpi.com/2075-4418/9/2/56 |
| article html file updated | 19 July 2022 19:22 CEST | Update | - |
| article html file updated | 12 February 2020 16:27 CET | Update | - |
| article html file updated | 21 October 2019 00:53 CEST | Update | - |
| article html file updated | 5 July 2019 15:00 CEST | Update | - |
| article html file updated | 5 July 2019 09:42 CEST | Update | - |
| article html file updated | 30 May 2019 13:13 CEST | Original file | - |
| article pdf uploaded. | 30 May 2019 13:12 CEST | Version of Record | https://www.mdpi.com/2075-4418/9/2/56/pdf |
| article xml uploaded. | 30 May 2019 13:12 CEST | Update | https://www.mdpi.com/2075-4418/9/2/56/xml |
| article xml file uploaded | 30 May 2019 13:12 CEST | Original file | - |