| article html file updated | 6 February 2020 22:39 CET | Update | https://www.mdpi.com/2072-666X/6/9/1331 |
| article html file updated | 6 May 2019 11:38 CEST | Update | - |
| article html file updated | 26 March 2019 10:27 CET | Update | - |
| article html file updated | 10 October 2015 11:09 CEST | Original file | - |
| article xml file uploaded | 10 October 2015 11:09 CEST | Original file | https://www.mdpi.com/2072-666X/6/9/1331/xml |
| article supplementary file uploaded. | 14 September 2015 06:33 CEST | - | https://www.mdpi.com/2072-666X/6/9/1331#supplementary |
| article pdf uploaded. | 10 September 2015 17:07 CEST | Version of Record | https://www.mdpi.com/2072-666X/6/9/1331/pdf |