| article html file updated | 6 February 2020 20:09 CET | Update | https://www.mdpi.com/2072-666X/6/7/813 |
| article html file updated | 6 May 2019 16:49 CEST | Update | - |
| article html file updated | 26 March 2019 05:36 CET | Update | - |
| article html file updated | 21 August 2015 14:15 CEST | Update | - |
| article html file updated | 28 July 2015 12:27 CEST | Original file | - |
| article xml file uploaded | 28 July 2015 12:27 CEST | Original file | https://www.mdpi.com/2072-666X/6/7/813/xml |
| article pdf uploaded. | 29 June 2015 12:57 CEST | Version of Record | https://www.mdpi.com/2072-666X/6/7/813/pdf |
