| article html file updated | 29 August 2025 22:15 CEST | Update | https://www.mdpi.com/2076-2607/3/4/707 |
| article html file updated | 20 August 2025 22:03 CEST | Update | - |
| article html file updated | 7 February 2020 00:03 CET | Update | - |
| article html file updated | 6 May 2019 08:48 CEST | Update | - |
| article html file updated | 26 March 2019 13:03 CET | Update | - |
| article html file updated | 18 May 2016 12:30 CEST | Original file | - |
| article pdf uploaded. | 21 October 2015 14:39 CEST | Version of Record | https://www.mdpi.com/2076-2607/3/4/707/pdf |
