| article html file updated | 31 August 2025 05:11 CEST | Update | https://www.mdpi.com/2075-4418/9/4/203 |
| article html file updated | 19 July 2022 23:03 CEST | Update | - |
| article html file updated | 14 February 2020 13:10 CET | Update | - |
| article html file updated | 30 December 2019 11:13 CET | Update | - |
| article html file updated | 26 November 2019 11:54 CET | Original file | - |
| article pdf uploaded. | 26 November 2019 11:53 CET | Version of Record | https://www.mdpi.com/2075-4418/9/4/203/pdf |
| article xml uploaded. | 26 November 2019 11:53 CET | Update | https://www.mdpi.com/2075-4418/9/4/203/xml |
| article xml file uploaded | 26 November 2019 11:53 CET | Original file | - |
