| article html file updated | 24 December 2025 13:49 CET | Update | https://www.mdpi.com/2218-273X/5/4/2247 |
| article html file updated | 29 August 2025 22:10 CEST | Update | N/A |
| article html file updated | 20 August 2025 22:02 CEST | Update | N/A |
| article html file updated | 6 February 2020 23:23 CET | Update | N/A |
| article html file updated | 6 May 2019 10:07 CEST | Update | N/A |
| article html file updated | 26 March 2019 11:52 CET | Original file | N/A |
| article pdf uploaded. | 30 September 2015 11:38 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/4/2247/pdf |
