| article html file updated | 6 February 2020 08:11 CET | Update | https://www.mdpi.com/2072-6694/6/2/741 |
| article html file updated | 7 May 2019 16:46 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:33 CET | Update | N/A |
| article html file updated | 20 August 2015 01:08 CEST | Update | N/A |
| article html file updated | 30 June 2014 09:44 CEST | Original file | N/A |
| article xml file uploaded | 30 June 2014 09:44 CEST | Original file | https://www.mdpi.com/2072-6694/6/2/741/xml |
| article pdf uploaded. | 26 March 2014 10:38 CET | Version of Record | https://www.mdpi.com/2072-6694/6/2/741/pdf |
