| article html file updated | 29 August 2025 21:22 CEST | Update | https://www.mdpi.com/2071-1050/6/12/8909 |
| article html file updated | 15 July 2022 23:37 CEST | Update | - |
| article html file updated | 6 February 2020 14:09 CET | Update | - |
| article html file updated | 7 May 2019 04:34 CEST | Update | - |
| article html file updated | 25 March 2019 18:44 CET | Update | - |
| article html file updated | 21 August 2015 03:17 CEST | Original file | - |
| article pdf uploaded. | 3 December 2014 11:48 CET | Version of Record | https://www.mdpi.com/2071-1050/6/12/8909/pdf |
