| article html file updated | 6 February 2020 12:43 CET | Update | https://www.mdpi.com/2077-1444/5/4/985 |
| article html file updated | 7 May 2019 07:20 CEST | Update | - |
| article html file updated | 22 March 2019 02:16 CET | Update | - |
| article html file updated | 20 August 2015 22:29 CEST | Update | - |
| article html file updated | 22 October 2014 11:23 CEST | Update | - |
| article xml file uploaded | 22 October 2014 11:23 CEST | Update | https://www.mdpi.com/2077-1444/5/4/985/xml |
| article html file updated | 22 October 2014 04:01 CEST | Original file | - |
| article xml file uploaded | 22 October 2014 04:01 CEST | Original file | - |
| article pdf uploaded. | 20 October 2014 10:27 CEST | Updated version of record | https://www.mdpi.com/2077-1444/5/4/985/pdf |
| article pdf uploaded. | 9 October 2014 14:33 CEST | Version of Record | https://www.mdpi.com/2077-1444/5/4/985/pdf-vor |