| article html file updated | 6 February 2020 14:33 CET | Update | https://www.mdpi.com/1999-4915/6/12/5047 |
| article html file updated | 7 May 2019 03:47 CEST | Update | - |
| article html file updated | 25 March 2019 19:26 CET | Update | - |
| article html file updated | 21 August 2015 04:24 CEST | Update | - |
| article html file updated | 26 December 2014 11:32 CET | Update | - |
| article xml file uploaded | 26 December 2014 11:32 CET | Update | https://www.mdpi.com/1999-4915/6/12/5047/xml |
| article html file updated | 23 December 2014 03:48 CET | Original file | - |
| article xml file uploaded | 23 December 2014 03:48 CET | Original file | - |
| article pdf uploaded. | 18 December 2014 16:45 CET | Updated version of record | https://www.mdpi.com/1999-4915/6/12/5047/pdf |
| article pdf uploaded. | 17 December 2014 14:22 CET | Version of Record | https://www.mdpi.com/1999-4915/6/12/5047/pdf-vor |
