| article html file updated | 6 February 2020 20:43 CET | Update | https://www.mdpi.com/1996-1073/8/7/7243 |
| article html file updated | 6 May 2019 15:39 CEST | Update | - |
| article html file updated | 26 March 2019 06:44 CET | Update | - |
| article html file updated | 21 August 2015 14:55 CEST | Update | - |
| article html file updated | 10 August 2015 12:31 CEST | Original file | - |
| article xml file uploaded | 10 August 2015 12:31 CEST | Original file | https://www.mdpi.com/1996-1073/8/7/7243/xml |
| article pdf uploaded. | 16 July 2015 13:28 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/7/7243/pdf |
