| article html file updated | 30 August 2025 10:37 CEST | Update | https://www.mdpi.com/2073-445X/8/1/9 |
| article html file updated | 17 July 2022 21:09 CEST | Update | - |
| article html file updated | 11 February 2020 06:49 CET | Update | - |
| article html file updated | 12 October 2019 21:38 CEST | Update | - |
| article html file updated | 27 April 2019 11:11 CEST | Update | - |
| article html file updated | 13 April 2019 07:09 CEST | Update | - |
| article html file updated | 2 April 2019 22:24 CEST | Update | - |
| article html file updated | 5 January 2019 06:15 CET | Original file | - |
| article pdf uploaded. | 5 January 2019 06:14 CET | Version of Record | https://www.mdpi.com/2073-445X/8/1/9/pdf |
| article xml uploaded. | 5 January 2019 06:14 CET | Update | https://www.mdpi.com/2073-445X/8/1/9/xml |
| article xml file uploaded | 5 January 2019 06:14 CET | Original file | - |
