| article html file updated | 6 February 2020 22:34 CET | Update | https://www.mdpi.com/1996-1073/8/9/9794 |
| article html file updated | 6 May 2019 11:49 CEST | Update | - |
| article html file updated | 26 March 2019 10:17 CET | Update | - |
| article html file updated | 12 October 2015 10:31 CEST | Original file | - |
| article xml file uploaded | 12 October 2015 10:31 CEST | Original file | https://www.mdpi.com/1996-1073/8/9/9794/xml |
| article supplementary file uploaded. | 9 September 2015 10:08 CEST | - | https://www.mdpi.com/1996-1073/8/9/9794#supplementary |
| article pdf uploaded. | 9 September 2015 10:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/9/9794/pdf |
