| article html file updated | 6 February 2020 23:07 CET | Update | https://www.mdpi.com/2073-4441/7/9/5173 |
| article html file updated | 6 May 2019 10:40 CEST | Update | - |
| article html file updated | 26 March 2019 11:22 CET | Update | - |
| article html file updated | 11 November 2015 10:26 CET | Update | - |
| article xml file uploaded | 11 November 2015 10:26 CET | Update | https://www.mdpi.com/2073-4441/7/9/5173/xml |
| article html file updated | 12 October 2015 13:38 CEST | Original file | - |
| article xml file uploaded | 12 October 2015 13:38 CEST | Original file | - |
| article pdf uploaded. | 23 September 2015 12:26 CEST | Version of Record | https://www.mdpi.com/2073-4441/7/9/5173/pdf |
