| article html file updated | 6 February 2020 10:49 CET | Update | https://www.mdpi.com/2072-6643/6/7/2697 |
| article html file updated | 20 September 2019 10:37 CEST | Update | - |
| article html file updated | 7 May 2019 11:25 CEST | Update | - |
| article html file updated | 21 March 2019 21:11 CET | Update | - |
| article html file updated | 20 August 2015 13:05 CEST | Update | - |
| article html file updated | 29 July 2014 11:35 CEST | Update | - |
| article xml file uploaded | 29 July 2014 11:34 CEST | Update | https://www.mdpi.com/2072-6643/6/7/2697/xml |
| article html file updated | 29 July 2014 06:03 CEST | Original file | - |
| article xml file uploaded | 29 July 2014 06:02 CEST | Original file | - |
| article pdf uploaded. | 18 July 2014 13:24 CEST | Version of Record | https://www.mdpi.com/2072-6643/6/7/2697/pdf |
