| article html file updated | 29 August 2025 23:36 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1208 |
| article html file updated | 16 July 2022 03:19 CEST | Update | - |
| article html file updated | 7 February 2020 14:46 CET | Update | - |
| article html file updated | 22 September 2019 00:45 CEST | Update | - |
| article html file updated | 5 May 2019 04:29 CEST | Update | - |
| article html file updated | 17 September 2018 06:46 CEST | Update | - |
| article html file updated | 29 September 2016 08:37 CEST | Update | - |
| article html file updated | 9 September 2016 13:43 CEST | Original file | - |
| article xml uploaded. | 9 September 2016 13:42 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1208/xml |
| article xml uploaded. | 9 September 2016 13:42 CEST | Original file | - |
| article pdf uploaded. | 9 September 2016 13:42 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1208/pdf |