| article html file updated | 7 February 2020 00:01 CET | Update | https://www.mdpi.com/1996-1073/8/10/11939 |
| article html file updated | 6 May 2019 08:51 CEST | Update | N/A |
| article html file updated | 26 March 2019 12:59 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/1996-1073/8/10/11939/xml |
| article pdf uploaded. | 21 October 2015 11:11 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/10/11939/pdf |
