| article html file updated | 6 February 2020 03:11 CET | Update | https://www.mdpi.com/2072-6651/5/7/1230 |
| article html file updated | 8 May 2019 02:55 CEST | Update | - |
| article html file updated | 21 March 2019 01:13 CET | Update | - |
| article html file updated | 17 June 2015 11:17 CEST | Update | - |
| article html file updated | 8 August 2013 11:35 CEST | Original file | - |
| article xml file uploaded | 8 August 2013 11:35 CEST | Original file | https://www.mdpi.com/2072-6651/5/7/1230/xml |
| article pdf uploaded. | 15 July 2013 09:45 CEST | Version of Record | https://www.mdpi.com/2072-6651/5/7/1230/pdf |
