| article html file updated | 6 February 2020 13:30 CET | Update | https://www.mdpi.com/1999-4915/6/11/4280 |
| article html file updated | 7 May 2019 05:48 CEST | Update | - |
| article html file updated | 25 March 2019 17:22 CET | Update | - |
| article html file updated | 21 August 2015 01:37 CEST | Update | - |
| article html file updated | 28 November 2014 11:05 CET | Original file | - |
| article xml file uploaded | 28 November 2014 11:05 CET | Original file | https://www.mdpi.com/1999-4915/6/11/4280/xml |
| article pdf uploaded. | 10 November 2014 12:11 CET | Version of Record | https://www.mdpi.com/1999-4915/6/11/4280/pdf |
