| article html file updated | 6 February 2020 02:53 CET | Update | https://www.mdpi.com/2072-6651/5/7/1219 |
| article html file updated | 8 May 2019 03:30 CEST | Update | - |
| article html file updated | 21 March 2019 00:28 CET | Update | - |
| article html file updated | 17 June 2015 10:42 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/2072-6651/5/7/1219/xml |
| article pdf uploaded. | 28 June 2013 11:29 CEST | Version of Record | https://www.mdpi.com/2072-6651/5/7/1219/pdf |
