| article html file updated | 30 August 2025 01:14 CEST | Update | https://www.mdpi.com/2073-4344/7/9/280 |
| article html file updated | 16 July 2022 06:25 CEST | Update | - |
| article html file updated | 8 February 2020 16:35 CET | Update | - |
| article html file updated | 27 September 2019 05:44 CEST | Update | - |
| article html file updated | 3 May 2019 01:14 CEST | Update | - |
| article html file updated | 26 September 2017 06:25 CEST | Update | - |
| article html file updated | 19 September 2017 12:34 CEST | Original file | - |
| article xml uploaded. | 19 September 2017 12:32 CEST | Update | https://www.mdpi.com/2073-4344/7/9/280/xml |
| article xml uploaded. | 19 September 2017 12:32 CEST | Original file | - |
| article pdf uploaded. | 19 September 2017 12:32 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/9/280/pdf |
