| article html file updated | 6 February 2020 11:40 CET | Update | https://www.mdpi.com/1999-4915/6/8/3250 |
| article html file updated | 7 May 2019 09:21 CEST | Update | - |
| article html file updated | 21 March 2019 23:32 CET | Update | - |
| article html file updated | 20 August 2015 16:09 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/1999-4915/6/8/3250/xml |
| article pdf uploaded. | 21 August 2014 12:07 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/8/3250/pdf |
