| article html file updated | 6 February 2020 14:36 CET | Update | https://www.mdpi.com/1999-4915/6/12/5077 |
| article html file updated | 7 May 2019 03:41 CEST | Update | - |
| article html file updated | 25 March 2019 19:32 CET | Update | - |
| article html file updated | 21 August 2015 04:29 CEST | Update | - |
| article html file updated | 26 December 2014 11:33 CET | Original file | - |
| article xml file uploaded | 26 December 2014 11:33 CET | Original file | https://www.mdpi.com/1999-4915/6/12/5077/xml |
| article pdf uploaded. | 19 December 2014 14:14 CET | Version of Record | https://www.mdpi.com/1999-4915/6/12/5077/pdf |
