| article html file updated | 12 August 2026 23:25 CEST | Update | https://www.mdpi.com/2073-4360/6/4/1008 |
| article html file updated | 6 February 2020 08:17 CET | Update | N/A |
| article html file updated | 7 May 2019 16:33 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:47 CET | Update | N/A |
| article html file updated | 20 August 2015 01:49 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2014 09:57 CEST | Version of Record | https://www.mdpi.com/2073-4360/6/4/1008/pdf |
