| article html file updated | 6 February 2020 23:54 CET | Update | https://www.mdpi.com/1996-1073/8/10/11755 |
| article html file updated | 6 May 2019 09:03 CEST | Update | - |
| article html file updated | 26 March 2019 12:49 CET | Update | - |
| article html file updated | 4 November 2015 06:03 CET | Original file | - |
| article xml file uploaded | 4 November 2015 06:03 CET | Original file | https://www.mdpi.com/1996-1073/8/10/11755/xml |
| article pdf uploaded. | 19 October 2015 10:42 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/10/11755/pdf |
