| article html file updated | 6 February 2020 11:17 CET | Update | https://www.mdpi.com/1999-4915/6/8/3019 |
| article html file updated | 7 May 2019 10:18 CEST | Update | - |
| article html file updated | 21 March 2019 22:34 CET | Update | - |
| article html file updated | 20 August 2015 14:41 CEST | Update | - |
| article html file updated | 29 August 2014 03:20 CEST | Original file | - |
| article xml file uploaded | 29 August 2014 03:20 CEST | Original file | https://www.mdpi.com/1999-4915/6/8/3019/xml |
| article pdf uploaded. | 7 August 2014 10:46 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/8/3019/pdf |
