| article html file updated | 6 February 2020 05:29 CET | Update | https://www.mdpi.com/2076-3263/3/4/616 |
| article html file updated | 7 May 2019 22:14 CEST | Update | - |
| article html file updated | 21 March 2019 07:30 CET | Update | - |
| article html file updated | 19 August 2015 09:24 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2076-3263/3/4/616/xml |
| article html file updated | 14 August 2014 11:21 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article pdf uploaded. | 12 November 2013 12:15 CET | Version of Record | https://www.mdpi.com/2076-3263/3/4/616/pdf |
