| article html file updated | 6 February 2020 23:57 CET | Update | https://www.mdpi.com/1996-1073/8/10/11821 |
| article html file updated | 6 May 2019 08:57 CEST | Update | N/A |
| article html file updated | 26 March 2019 12:54 CET | Update | N/A |
| article html file updated | 4 November 2015 06:03 CET | Original file | N/A |
| article xml file uploaded | 4 November 2015 06:03 CET | Original file | https://www.mdpi.com/1996-1073/8/10/11821/xml |
| article pdf uploaded. | 20 October 2015 10:57 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/10/11821/pdf |
