| article html file updated | 6 February 2020 03:10 CET | Update | https://www.mdpi.com/1999-4915/5/7/1702 |
| article html file updated | 8 May 2019 02:56 CEST | Update | - |
| article html file updated | 21 March 2019 01:11 CET | Update | - |
| article html file updated | 17 June 2015 11:17 CEST | Update | - |
| article html file updated | 9 August 2013 12:00 CEST | Original file | - |
| article xml file uploaded | 9 August 2013 12:00 CEST | Original file | https://www.mdpi.com/1999-4915/5/7/1702/xml |
| article pdf uploaded. | 17 July 2013 09:38 CEST | Updated version of record | https://www.mdpi.com/1999-4915/5/7/1702/pdf |
| article pdf uploaded. | 12 July 2013 14:43 CEST | Version of Record | https://www.mdpi.com/1999-4915/5/7/1702/pdf-vor |
