| article html file updated | 29 August 2025 21:07 CEST | Update | https://www.mdpi.com/1424-2818/6/2/380 |
| article html file updated | 15 July 2022 23:09 CEST | Update | N/A |
| article html file updated | 6 February 2020 10:12 CET | Update | N/A |
| article html file updated | 7 May 2019 12:37 CEST | Update | N/A |
| article html file updated | 21 March 2019 19:32 CET | Update | N/A |
| article html file updated | 20 August 2015 10:50 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2014 14:14 CEST | Version of Record | https://www.mdpi.com/1424-2818/6/2/380/pdf |
