| article html file updated | 6 February 2020 13:21 CET | Update | https://www.mdpi.com/1996-1073/7/11/7105 |
| article html file updated | 7 May 2019 06:04 CEST | Update | N/A |
| article html file updated | 25 March 2019 17:02 CET | Update | N/A |
| article html file updated | 21 August 2015 01:10 CEST | Update | N/A |
| article html file updated | 10 December 2014 11:25 CET | Original file | N/A |
| article xml file uploaded | 10 December 2014 11:25 CET | Original file | https://www.mdpi.com/1996-1073/7/11/7105/xml |
| article pdf uploaded. | 4 November 2014 13:27 CET | Version of Record | https://www.mdpi.com/1996-1073/7/11/7105/pdf |
