| article html file updated | 29 August 2025 22:20 CEST | Update | https://www.mdpi.com/2227-7382/3/4/411 |
| article html file updated | 20 August 2025 22:05 CEST | Update | - |
| article html file updated | 7 February 2020 00:53 CET | Update | - |
| article html file updated | 19 October 2016 12:15 CEST | Original file | - |
| article pdf uploaded. | 12 November 2015 14:59 CET | Version of Record | https://www.mdpi.com/2227-7382/3/4/411/pdf |
| article xml uploaded. | 12 November 2015 14:59 CET | Original file | https://www.mdpi.com/2227-7382/3/4/411/xml |
