| article html file updated | 6 February 2020 03:00 CET | Update | https://www.mdpi.com/2072-6694/5/3/838 |
| article html file updated | 8 May 2019 03:16 CEST | Update | - |
| article html file updated | 21 March 2019 00:45 CET | Update | - |
| article html file updated | 17 June 2015 10:56 CEST | Update | - |
| article html file updated | 14 October 2013 12:15 CEST | Original file | - |
| article xml file uploaded | 14 October 2013 12:15 CEST | Original file | https://www.mdpi.com/2072-6694/5/3/838/xml |
| article pdf uploaded. | 4 July 2013 17:37 CEST | Version of Record | https://www.mdpi.com/2072-6694/5/3/838/pdf |
