| article html file updated | 29 August 2025 23:36 CEST | Update | https://www.mdpi.com/2073-4360/8/9/337 |
| article html file updated | 16 July 2022 03:18 CEST | Update | - |
| article html file updated | 7 February 2020 14:37 CET | Update | - |
| article html file updated | 5 May 2019 04:46 CEST | Update | - |
| article html file updated | 27 September 2016 11:40 CEST | Update | - |
| article html file updated | 8 September 2016 04:42 CEST | Original file | - |
| article xml uploaded. | 8 September 2016 04:41 CEST | Original file | https://www.mdpi.com/2073-4360/8/9/337/xml |
| article pdf uploaded. | 8 September 2016 04:41 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/9/337/pdf |
